Solved papers for JEE Main & Advanced JEE Main Solved Paper-2016

done JEE Main Solved Paper-2016 Total Questions - 90

• question_answer1) A value of\[\theta \] for which\[\frac{2+3i\sin \theta }{1-2i\sin \theta }\]is purely imaginary, is : [JEE Main Solved Paper-2016 ]
  A)
  \[{{\sin }^{-1}}\left( \frac{1}{\sqrt{3}} \right)\]                  
  done clear
  B)
  \[\frac{\pi }{3}\]
  done clear
  C)
  \[\frac{\pi }{6}\]                                              
  done clear
  D)
  \[{{\sin }^{-1}}\left( \frac{\sqrt{3}}{4} \right)\]
  done clear
  View Answer play_arrow

• question_answer2) The system of linear equations \[x+\lambda y-z=0\] \[\lambda x-y-z=0\] \[x+y-\lambda z=0\] has a non-trivial solution for : [JEE Main Solved Paper-2016 ]
  A)
   exactly three values of\[\lambda .\]
  done clear
  B)
  infinitely many values of \[\lambda .\]
  done clear
  C)
   exactly one value of \[\lambda .\]
  done clear
  D)
  exactly two values of \[\lambda .\]
  done clear
  View Answer play_arrow

• question_answer3) A wire of length 2 units is cut into two parts  which are bent respectively to form a square of side = x units and a circle of radius = r units. If the sum of the areas of the square and the circle so formed is minimum, then : [JEE Main Solved Paper-2016 ]
  A)
  \[2x=r\]                               
  done clear
  B)
  \[2x=(\pi +4)r\]
  done clear
  C)
  \[(4-\pi )x=\pi r\]            
  done clear
  D)
  \[x=2r\]
  done clear
  View Answer play_arrow

• question_answer4) A man is walking towards a vertical pillar in a straight path, at a uniform speed. At a certain point A on the path, he observes that the angle of elevation of the top of the pillar is \[30{}^\circ \]. After walking for 10 minutes from A in the same direction, at a point B, he observes that the angle of elevation of the top of the pillar is \[60{}^\circ \]. Then the time taken (in minutes) by him, form B to reach the pillar, is : [JEE Main Solved Paper-2016 ]
  A)
  5                                             
  done clear
  B)
  6
  done clear
  C)
  10                                          
  done clear
  D)
  20
  done clear
  View Answer play_arrow

• question_answer5) Let two fair six-faced dice A and B be thrown simultaneously. If \[{{E}_{1}}\] is the event that die A  shows up four, \[{{E}_{2}}\]is the event that die B shows up two and \[{{E}_{3}}\] is the event that the sum of numbers on both dice is odd, then which of the following statements is NOT true ? [JEE Main Solved Paper-2016 ]
  A)
  \[{{E}_{1}},{{E}_{2}}\]and \[{{E}_{3}}\]are independent.
  done clear
  B)
  \[{{E}_{1}}\]and \[{{E}_{2}}\]are independent.
  done clear
  C)
  \[{{E}_{2}}\]and \[{{E}_{3}}\]are independent.
  done clear
  D)
  \[{{E}_{1}}\]and\[{{E}_{3}}\] are independent.
  done clear
  View Answer play_arrow

• question_answer6) If the standard deviation of the numbers 2, 3, a and 11 is 3.5, then which of the following is true ? [JEE Main Solved Paper-2016 ]
  A)
  \[3{{a}^{2}}-23a+44=0\]               
  done clear
  B)
  \[3{{a}^{2}}-26a+55=0\]
  done clear
  C)
  \[3{{a}^{2}}-32a+84=0\]               
  done clear
  D)
  \[3{{a}^{2}}-34a+91=0\]
  done clear
  View Answer play_arrow

• question_answer7) For\[x\in R,f(x)=|\log 2-\sin x|\] and \[g(x)=f(f(x)),\]then : [JEE Main Solved Paper-2016 ]
  A)
  g is differentiable at x = 0 and g'(0) = -sin(log2)
  done clear
  B)
  g is not differentiable at x = 0
  done clear
  C)
  g'(0) = cos(log2)
  done clear
  D)
  g'(0) = - cos(log2)
  done clear
  View Answer play_arrow

• question_answer8) The distance of the point (1, -5, 9) from the plane x - y + z = 5 measured along the line x = y = z is : [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{20}{3}\]                                
  done clear
  B)
  \[3\sqrt{10}\]
  done clear
  C)
  \[10\sqrt{3}\]                   
  done clear
  D)
  \[\frac{10}{\sqrt{3}}\]
  done clear
  View Answer play_arrow

• question_answer9) The eccentricity of the hyperbola whose length of the latus rectum is equal to 8 and the length of its conjugate axis is equal to half of the distance between its foci, is : [JEE Main Solved Paper-2016 ]
  A)
  \[\sqrt{3}\]                                        
  done clear
  B)
  \[\frac{4}{3}\]
  done clear
  C)
  \[\frac{4}{\sqrt{3}}\]                                     
  done clear
  D)
  \[\frac{2}{\sqrt{3}}\]
  done clear
  View Answer play_arrow

• question_answer10) Let P be the point on the parabola, y2 = 8x which is at a minimum distance from the center C of the circle, \[{{x}^{2}}+{{(y+6)}^{2}}=1\]. Then the equation of the circle, passing through C and having its centre at P is : [JEE Main Solved Paper-2016 ]
  A)
  \[{{x}^{2}}+{{y}^{2}}-4x+9y+18=0\]
  done clear
  B)
  \[{{x}^{2}}+{{y}^{2}}-4x+8y+12=0\]
  done clear
  C)
  \[{{x}^{2}}+{{y}^{2}}-x+4y-12=0\]
  done clear
  D)
  \[{{x}^{2}}+{{y}^{2}}-\frac{x}{4}+2y-24=0\]
  done clear
  View Answer play_arrow

• question_answer11) If\[A=\left[ \begin{matrix}    5a & -b  \\    3 & 2  \\ \end{matrix} \right]\]and A adj A = A\[{{\text{A}}^{\text{T}}},\]then \[5a+b\]is equal to: [JEE Main Solved Paper-2016 ]
  A)
  13                                          
  done clear
  B)
  -1
  done clear
  C)
  5                                             
  done clear
  D)
  4
  done clear
  View Answer play_arrow

• question_answer12) Consider \[f(x)={{\tan }^{-1}}\left( \sqrt{\frac{1+\sin x}{1-\sin x}} \right),x\in \left( 0,\frac{\pi }{2} \right).\] A normal to \[y=f(x)at\,x=\frac{\pi }{6}\]also passes through the point : [JEE Main Solved Paper-2016 ]
  A)
  \[\left( \frac{\pi }{4},0 \right)\]                 
  done clear
  B)
  \[\left( 0,\text{ }0 \right)\]
  done clear
  C)
  \[\left( 0,\frac{2\pi }{3} \right)\]                               
  done clear
  D)
  \[\left( \frac{\pi }{6},0 \right)\]
  done clear
  View Answer play_arrow

• question_answer13) Two sides of a rhombus are along the lines, \[x-v+1=0\]and \[\text{7x}\text{y}\text{5}=0.\] If its diagonals intersect at (-1, -2), then which one of the following is a vertex of this rhombus ? [JEE Main Solved Paper-2016 ]
  A)
  \[\left( -\frac{10}{3},\frac{7}{3} \right)\]                               
  done clear
  B)
  \[(-3,-9)\]
  done clear
  C)
  \[(-3,-8)\]                           
  done clear
  D)
  \[\left( \frac{1}{3},\frac{8}{3} \right)\]
  done clear
  View Answer play_arrow

• question_answer14) If a curve y = f(x) passes through the point (1, -1) and satisfies the differential equation, \[y(1+xy)dx=xdy,\]then \[f\left( -\frac{1}{2} \right)\] is equal to : [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{4}{5}\]                                   
  done clear
  B)
  \[-\frac{2}{5}\]
  done clear
  C)
  \[-\frac{4}{5}\]                                 
  done clear
  D)
  \[\frac{2}{5}\]
  done clear
  View Answer play_arrow

• question_answer15) If all the words (with or without meaning) having five letters, formed using the letters of the word SMALL and arranged as in a dictionary; then the position of the word SMALL is : [JEE Main Solved Paper-2016 ]
  A)
  58th
  done clear
  B)
  46th
  done clear
  C)
  59th                      
  done clear
  D)
  52nd
  done clear
  View Answer play_arrow

• question_answer16) If the 2nd, 5th and 9th terms of a non-constant A.P. are in G.P., then the common ratio of this G.P. is :- [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{7}{4}\]                                   
  done clear
  B)
  \[\frac{8}{5}\]
  done clear
  C)
  \[\frac{4}{3}\]                                   
  done clear
  D)
  1
  done clear
  View Answer play_arrow

• question_answer17) If the number of terms in the expansion of \[{{\left( 1-\frac{2}{x}+\frac{4}{{{x}^{2}}} \right)}^{n}},x\ne 0,\] , is 28, then the sum of the coefficients of all the terms in this expansion, is :- [JEE Main Solved Paper-2016 ]
  A)
  729        
  done clear
  B)
  64
  done clear
  C)
  2187                      
  done clear
  D)
  243
  done clear
  View Answer play_arrow

• question_answer18) If the sum of the first ten terms of the series \[{{\left( 1\frac{3}{5} \right)}^{2}}+{{\left( 2\frac{2}{5} \right)}^{2}}+{{\left( 3\frac{1}{5} \right)}^{2}}+....,\]is\[\frac{16}{5}m,\]then m is equal to :- [JEE Main Solved Paper-2016 ]
  A)
   99                                         
  done clear
  B)
  102
  done clear
  C)
  101                                        
  done clear
  D)
  100
  done clear
  View Answer play_arrow

• question_answer19) If the line,\[\frac{x-3}{2}=\frac{y+2}{-1}=\frac{z+4}{3}\]lies in the plane, \[1x+my-z=9,\]then\[{{1}^{2}}{{+}^{2}}\] is equal to :- [JEE Main Solved Paper-2016 ]
  A)
  2                                             
  done clear
  B)
  26
  done clear
  C)
  18                                          
  done clear
  D)
  5
  done clear
  View Answer play_arrow

• question_answer20) The Boolean Expression \[(p\wedge \tilde{\ }q)\vee q\vee (\tilde{\ }p\wedge q)\] is equivalent to :- [JEE Main Solved Paper-2016 ]
  A)
  \[p\vee \tilde{\ }q\]                      
  done clear
  B)
  \[\tilde{\ }p\wedge q\]
  done clear
  C)
  \[p\wedge q\]                 
  done clear
  D)
  \[p\vee q\]
  done clear
  View Answer play_arrow

• question_answer21) The integral\[\int_{{}}^{{}}{\frac{2{{x}^{12}}+5{{x}^{9}}}{{{x}^{5}}+{{x}^{3}}+1{{)}^{3}}}}dx\]is equal to :-
  A)
  \[\frac{-{{x}^{10}}}{2{{{{(}^{5}}+{{x}^{3}}+1)}^{2}}}+C\]
  done clear
  B)
  \[\frac{-{{x}^{5}}}{{{{{(}^{5}}+{{x}^{3}}+1)}^{2}}}+C\]
  done clear
  C)
  \[\frac{{{x}^{10}}}{2{{({{x}^{5}}+{{x}^{3}}+1)}^{2}}}+C\]
  done clear
  D)
  \[\frac{{{x}^{5}}}{2{{({{x}^{5}}+{{x}^{3}}+1)}^{2}}}+C\]
  done clear
  View Answer play_arrow

• question_answer22) If one of the diameters of the circle, given by the equation, \[\text{x2}+\text{y2}\text{4x}+\text{6y}\text{12}=0,\]is a chord of a circle S, whose centre is at (-3, 2), then the radius of S is :- [JEE Main Solved Paper-2016 ]
  A)
  10                                          
  done clear
  B)
   52
  done clear
  C)
  53                                          
  done clear
  D)
  5
  done clear
  View Answer play_arrow

• question_answer23) \[\underset{n\to \infty }{\mathop{\lim }}\,{{\left( \frac{(n+1)(n+2)....3n}{{{n}^{2n}}} \right)}^{1/n}}\]is equal to: [JEE Main Solved Paper-2016 ]
  A)
  \[3\log 3-2\]                      
  done clear
  B)
  \[\frac{18}{{{e}^{4}}}\]
  done clear
  C)
  \[\frac{27}{{{e}^{2}}}\]                                 
  done clear
  D)
  \[\frac{9}{{{e}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer24) The centres of those circles which touch the circle, \[{{\text{x}}^{\text{2}}}+{{\text{y}}^{\text{2}}}\text{8x}\text{8y}\text{4}=0,\]externally and also touch the x-axis, lie on :- [JEE Main Solved Paper-2016 ]
  A)
   A parabola                        
  done clear
  B)
  A circle
  done clear
  C)
  An ellipse which is not a circle
  done clear
  D)
  A hyperbola
  done clear
  View Answer play_arrow

• question_answer25) Let\[\overrightarrow{a},\overrightarrow{b}\]\[\overrightarrow{c}\]be three unit vectors such that\[\overrightarrow{a}\times \left( \overrightarrow{b}\times \overrightarrow{c} \right)=\frac{\sqrt{3}}{2}\left( \overrightarrow{b}+\overrightarrow{c} \right).\]If \[\overrightarrow{b}\]is not parallel to \[\overrightarrow{c}\], then the angle between \[\overrightarrow{a}\]and\[\overrightarrow{b}\]is :- [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{5\pi }{6}\]                                            
  done clear
  B)
  \[\frac{3\pi }{4}\]
  done clear
  C)
  \[\frac{\pi }{2}\]                                              
  done clear
  D)
  \[\frac{2\pi }{3}\]
  done clear
  View Answer play_arrow

• question_answer26) Let\[p=\underset{x\to 0+}{\mathop{\lim }}\,{{\left( 1+{{\tan }^{2}}\sqrt{x} \right)}^{\frac{1}{2x}}}\] then log p is equal to :- [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{1}{4}\]                                   
  done clear
  B)
   2
  done clear
  C)
  1                                             
  done clear
  D)
  \[\frac{1}{2}\]
  done clear
  View Answer play_arrow

• question_answer27) If \[0\le x<2\pi ,\]then the number of real values of x, which satisfy the equation \[\cos x+\cos 2x+\cos 3x+\cos 4x=0,\]is :- [JEE Main Solved Paper-2016 ]
  A)
  9                                             
  done clear
  B)
   3
  done clear
  C)
   5                                            
  done clear
  D)
   7
  done clear
  View Answer play_arrow

• question_answer28) The sum of all real values of x satisfying the equation \[{{\left( {{x}^{2}}-5x+5 \right)}^{{{x}^{2}}+4x-60}}=1\]is :- [JEE Main Solved Paper-2016 ]
  A)
  5                                             
  done clear
  B)
   3
  done clear
  C)
  - 4                                         
  done clear
  D)
  6
  done clear
  View Answer play_arrow

• question_answer29) The area (in sq. units) of the region \[\{(x,y):{{y}^{2}}\ge 2x\]and\[{{x}^{2}}+{{y}^{2}}\le 4x,x\ge 0,y\ge 0\]\[\}\] is :- [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{\pi }{2}=\frac{2\sqrt{2}}{3}\]                       
  done clear
  B)
  \[\pi -\frac{4}{3}\]
  done clear
  C)
  \[\pi -\frac{4}{3}\]                          
  done clear
  D)
  \[\pi -\frac{4\sqrt{2}}{3}\]
  done clear
  View Answer play_arrow

• question_answer30) If\[f(x)+2f\left( \frac{1}{x} \right)=3x,x\ne 0,\]and \[S=\{x\in R;f(x)=f(-x)\};\]then [JEE Main Solved Paper-2016 ]
  A)
  contains more than two elements.
  done clear
  B)
   is an empty set.
  done clear
  C)
  contains exactly one element
  done clear
  D)
  contains exactly two elements
  done clear
  View Answer play_arrow

• question_answer31) A combination of capacitors is set up as shown in the figure. The magnitude of the electric field, due to a point charge Q (having a charge equal to the sum of the charges on the \[4\mu F\] and \[9\mu F\]capacitors), at a point 30 m from it , would equal: [JEE Main Solved Paper-2016 ]
  A)
   480 N/C                              
  done clear
  B)
  240 N/C
  done clear
  C)
  360 N/C                               
  done clear
  D)
  420 N/C
  done clear
  View Answer play_arrow

• question_answer32) An observer looks at a distant tree of height 10 m with a telescope of magnifying power of 20. To the observer the tree appears : [JEE Main Solved Paper-2016 ]
  A)
  20 times nearer                
  done clear
  B)
  10 times taller
  done clear
  C)
  10 times nearer               
  done clear
  D)
  20 times taller
  done clear
  View Answer play_arrow

• question_answer33) Hysteresis loops for two magnetic materials A and B are given below : These materials are used to make magnets for electric generators, transformer core and electromagnet core. Then it is proper to use; [JEE Main Solved Paper-2016 ]
  A)
  B for electromagnets and transformers.
  done clear
  B)
  A for electric generators and transformers.
  done clear
  C)
  A for electromagnets and B for electric transformers.
  done clear
  D)
  A for transformers and B for electric generators.
  done clear
  View Answer play_arrow

• question_answer34) Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes, respectively. Initially, the samples have equal number of nuclei. After 80 minutes , the ratio of decayed numbers of A and B nuclei will be :- [JEE Main Solved Paper-2016 ]
  A)
  5 : 4                                       
  done clear
  B)
  1 : 16
  done clear
  C)
   4 : 1                                      
  done clear
  D)
  1 : 4
  done clear
  View Answer play_arrow

• question_answer35) A particle of mass m is moving along the side of a square of side 'a', with a uniform speed u in the x-y plane as shown in the figure : Which of the following statement is false for the angular momentum \[\vec{L}\] about the origin ? [JEE Main Solved Paper-2016 ]
  A)
  \[\vec{L}=\frac{m\upsilon }{\sqrt{2}}R\hat{k}\]when the particle is moving from D to A
  done clear
  B)
  \[\vec{L}=-\frac{m\upsilon }{\sqrt{2}}R\hat{k}\] when the particle is moving from  to B
  done clear
  C)
   \[\vec{L}=m\upsilon \left[ \frac{R}{\sqrt{2}}-a \right]\hat{k}\]when the particle is moving from C to D
  done clear
  D)
  \[\vec{L}=m\upsilon \left[ \frac{R}{\sqrt{2}}+a \right]\hat{k}\]when the particle is moving from B to C
  done clear
  View Answer play_arrow

• question_answer36) Choose the correct statement : [JEE Main Solved Paper-2016 ]
  A)
  In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the frequency of the audio signal.
  done clear
  B)
  In amplitude modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal.
  done clear
  C)
  In amplitude modulation the frequency of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal.
  done clear
  D)
  In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal.
  done clear
  View Answer play_arrow

• question_answer37) In an experiment for determination of refractive index of glass of a prism by \[i-\delta ,\] plot, it was found that a ray incident at angle \[35{}^\circ \], suffers a deviation of \[40{}^\circ \] and that it emerges at angle \[79{}^\circ \]. In that case which of the following is closest to the maximum possible value of the refractive index? [JEE Main Solved Paper-2016 ]
  A)
  1.8                                         
  done clear
  B)
  1.5
  done clear
  C)
  1.6                                         
  done clear
  D)
  1.7
  done clear
  View Answer play_arrow

• question_answer38) 'n' moles of an ideal gas undergoes a process \[A\to B\]as shown in the figure. The maximum temperature of the gas during the process will be : [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{9{{P}_{0}}{{V}_{0}}}{nR}\]                            
  done clear
  B)
  \[\frac{9{{P}_{0}}{{V}_{0}}}{4nR}\]
  done clear
  C)
  \[\frac{3{{P}_{0}}{{V}_{0}}}{2nR}\]                          
  done clear
  D)
  \[\frac{9{{P}_{0}}{{V}_{0}}}{2nR}\]
  done clear
  View Answer play_arrow

• question_answer39) Two identical wires A and B, each of length 'l', carry the same current I. Wire A is bent into a circle of radius R and wire B is bent to form a square of side 'a'. If \[{{B}_{A}}\]and \[{{B}_{B}}\]are the values of magnetic field at the centres of the circle and square respectively, then the ratio \[\frac{{{B}_{A}}}{{{B}_{B}}}\]is: [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{{{\pi }^{2}}}{8\sqrt{2}}\]                                
  done clear
  B)
  \[\frac{{{\pi }^{2}}}{8}\]
  done clear
  C)
  \[\frac{{{\pi }^{2}}}{16\sqrt{2}}\]                             
  done clear
  D)
  \[\frac{{{\pi }^{2}}}{16}\]
  done clear
  View Answer play_arrow

• question_answer40) A screw gauge with a pitch of 0.5 mm and a circular scale with 50 divisions is used to measure the thickness of a thin sheet of Aluminium. Before starting the measurement , it is found that when the two jaws of the screw gauge are brought in contact, the 45th division coincides with the main scale line and that the zero of the main scale is barely visible. What is the thickness of the sheet if the main scale reading is 0.5 mm and the 25th division coincides with the main scale line ? [JEE Main Solved Paper-2016 ]
  A)
  0.50 mm                              
  done clear
  B)
  0.75 mm
  done clear
  C)
  0.80 mm                              
  done clear
  D)
   0.70 mm
  done clear
  View Answer play_arrow

• question_answer41) For a common emitter configuration, if \[\alpha \]and \[\beta \]have their usual meanings, the incorrect relationship between\[\alpha \]and\[\beta \]is [JEE Main Solved Paper-2016 ]
  A)
  \[\alpha =\frac{{{\beta }^{2}}}{1+{{\beta }^{2}}}\]                           
  done clear
  B)
  \[\frac{1}{\alpha }=\frac{1}{\beta }+1\]
  done clear
  C)
  \[\alpha =\frac{\beta }{1-\beta }\]                          
  done clear
  D)
  \[\alpha =\frac{\beta }{1+\beta }\]
  done clear
  View Answer play_arrow

• question_answer42) The box of a pin hole camera, of length L, has a hole of radius a. It is assumed that when the hole is illuminated by a parallel beam of light of wavelength\[\lambda \]the spread of the spot (obtained on the opposite wall of the camera) is the sum of its geometrical spread and the spread due to diffraction. The spot would then have its minimum size (say \[{{b}_{\min }}\]) when :- [JEE Main Solved Paper-2016 ]
  A)
  \[a=\frac{{{\lambda }^{2}}}{L}\]and\[{{b}_{\min }}=\sqrt{4\lambda L}\]
  done clear
  B)
  \[a=\frac{{{\lambda }^{2}}}{L}\]and\[{{b}_{\min }}=\left( \frac{2{{\lambda }^{2}}}{L} \right)\]
  done clear
  C)
  \[a=\sqrt{\lambda L}\]and\[{{b}_{\min }}=\left( \frac{2{{\lambda }^{2}}}{L} \right)\]
  done clear
  D)
  \[a=\sqrt{\lambda L}\]and\[{{b}_{\min }}=\sqrt{4\lambda L}\]
  done clear
  View Answer play_arrow

• question_answer43) A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times. Assume that the potential energy lost each time he lowers the mass is dissipated. How much fat will he use up considering the work done only when the weight is lifted up? Fat supplies \[\text{3}.\text{8}\times \text{1}0\text{7J}\]of energy per kg which is converted to mechanical energy with a 20% efficiency rate. Take g = 9.8 \[m{{s}^{}}^{2}\]:- [JEE Main Solved Paper-2016 ]
  A)
  \[\text{12}.\text{89}\times \text{1}{{0}^{\text{3}}}\text{kg}\]  
  done clear
  B)
  \[\text{2}.\text{45}\times \text{1}{{0}^{\text{3}}}\text{kg}\]
  done clear
  C)
  \[\text{6}.\text{45}\times \text{1}{{0}^{\text{3}}}\text{kg}\]    
  done clear
  D)
  \[\text{9}.\text{89}\times \text{1}{{0}^{\text{3}}}\text{kg}\]
  done clear
  View Answer play_arrow

• question_answer44) Arrange the following electromagnetic radiations per quantum in the order of increasing energy :- [JEE Main Solved Paper-2016 ]

  A : Blue light

  B : Yellow light

  C : X-ray

  D : Radio wave

  A)
  B, A, D, C                             
  done clear
  B)
  D, B, A, C
  done clear
  C)
  A, B, D, C                             
  done clear
  D)
  C, A, B, D
  done clear
  View Answer play_arrow

• question_answer45) An ideal gas undergoes a quasi static, reversible process in which its molar heat capacity C remains constant. If during this process the relation of pressure P and volume V is given by \[\text{P}{{\text{V}}^{\text{n}}}=\]constant, then n is given by (Here CP and CV are molar specific heat at constant pressure and constant volume, respectively) :- [JEE Main Solved Paper-2016 ]
  A)
  \[n=\frac{C-{{C}_{v}}}{C-{{C}_{p}}}\]                      
  done clear
  B)
  \[n=\frac{{{C}_{p}}}{{{C}_{v}}}\]
  done clear
  C)
  \[n=\frac{C-{{C}_{p}}}{C-{{C}_{v}}}\]                      
  done clear
  D)
  \[n=\frac{{{C}_{p}}-C}{C-{{C}_{v}}}\]
  done clear
  View Answer play_arrow

• question_answer46) A satellite is reolving in a circular orbit at a height 'h' from the earth's surface (radius of earth R ; h << R). The minimum increase in its orbital velocity required, so that the satellite could escape from the earth's gravitational field, is close to : (Neglect the effect of atmosphere). [JEE Main Solved Paper-2016 ]
  A)
  \[\sqrt{gR}\left( \sqrt{2}-1 \right)\]        
  done clear
  B)
  \[\sqrt{2gR}\]
  done clear
  C)
  \[\sqrt{gR}\]                     
  done clear
  D)
  \[\sqrt{gR/2}\]
  done clear
  View Answer play_arrow

• question_answer47) A galvanometer having a coil resistance of \[100\Omega \] gives a full scale deflection, when a current of 1 mA is passed through it. The value of the resistance, which can convert this galvanometer into ammeter giving a full scale deflection for a current of 10A, is :- [JEE Main Solved Paper-2016 ]
  A)
  \[3\Omega \]                                    
  done clear
  B)
  \[0.01\Omega \]
  done clear
  C)
  \[2\Omega \]                                    
  done clear
  D)
  \[0.1\Omega \]
  done clear
  View Answer play_arrow

• question_answer48) Radiation of wavelength \[\lambda ,\]is incident on a photocell. The fastest emitted electron has speed v. If the wavelength of changed to\[\frac{3\lambda }{4},\] the speed of the fastest emitted electron will be :- [JEE Main Solved Paper-2016 ]
  A)
  \[=v{{\left( \frac{3}{5} \right)}^{1/2}}\] 
  done clear
  B)
  \[>v{{\left( \frac{4}{3} \right)}^{1/2}}\]
  done clear
  C)
  \[<v{{\left( \frac{4}{3} \right)}^{1/2}}\]                 
  done clear
  D)
  \[=v{{\left( \frac{4}{3} \right)}^{1/2}}\]
  done clear
  View Answer play_arrow

• question_answer49) If a, b, c, d are inputs to a gate and x is its output, then as per the following time graph, the gate is                   [JEE Main Solved Paper-2016 ]                                                                                                       

  (d)
  (c)
  (b)
  (a)
  (x)

  A)
  NAND                  
  done clear
  B)
  NOT
  done clear
  C)
  AND                      
  done clear
  D)
   OR
  done clear
  View Answer play_arrow

• question_answer50) The region between two concentric spheres of radii 'a' and 'b', respectively (see figure), has volume charge density \[\rho =\frac{A}{r},\]where A is a constant and r is the distance from the centre. At the centre of the spheres is a point charge Q. The value of A such that the electric field in the region between the spheres will be constant, is :- [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{2Q}{\pi {{a}^{2}}}\]                                          
  done clear
  B)
  \[\frac{Q}{2\pi {{a}^{2}}}\]
  done clear
  C)
  \[\frac{Q}{2\pi ({{b}^{2}}-{{a}^{2}})}\]                   
  done clear
  D)
  \[\frac{2Q}{\pi ({{a}^{2}}-{{b}^{2}})}\]
  done clear
  View Answer play_arrow

• question_answer51) A student measures the time period of 100 oscillations of a simple pendulum four times. The data set is 90 s, 91 s, 95 s and 92 s. If the minimum division in the measuring clock is 1 s, then the reported mean time should be :-
  A)
  \[92\pm 3\text{ }s\]                      
  done clear
  B)
  \[92\pm 2s\]
  done clear
  C)
  \[92\pm 5.0s\]                 
  done clear
  D)
  \[92\pm 1.8\text{ }s\]
  done clear
  View Answer play_arrow

• question_answer52) The temperature dependence of resistances of Cu and un doped Si in the temperature range 300-400K, is best described by :- [JEE Main Solved Paper-2016 ]
  A)
  Linear decrease for Cu, linear decrease for Si.
  done clear
  B)
  Linear increase for Cu, linear increase for Si.
  done clear
  C)
  Linear increase for Cu, exponential increase for Si
  done clear
  D)
  Linear increase for Cu, exponential de crease for Si
  done clear
  View Answer play_arrow

• question_answer53) Identify the semiconductor devices whose characteristics are given below, in the order (a), (b), (c), (d) :-                                                                                                                     [JEE Main Solved Paper-2016 ]
  A)
  Zener diode, Solar cell, Simple diode, Light dependent resistance
  done clear
  B)
  Simple diode, Zener diode, Solar cell, Light dependent resistance
  done clear
  C)
  Zener diode, Simple diode, Light dependent resistance, Solar cell
  done clear
  D)
  Solar cell, Light dependent resistance, Zener diode, Simple diode
  done clear
  View Answer play_arrow

• question_answer54) A roller is made by joining together two cones at their vertices O. It is kept on two rails AB and CD which are placed asymmetrically (see figure), with its axis perpendicular to CD and its centre O at the centre of line joining AB and CD (see figure). It is given a light push so that it starts rolling with its centre O moving parallel to CD in the direction shown. As it moves, the roller will tend to :- [JEE Main Solved Paper-2016 ]
  A)
  turn left and right alternately.
  done clear
  B)
  turen left.
  done clear
  C)
  turn right.                           
  done clear
  D)
   go straight.
  done clear
  View Answer play_arrow

• question_answer55) A pendulum clock loses 12s a day if the temperature is \[40{}^\circ C\] and gains 4s a day if the temperature is \[20{}^\circ C\]. The temperature at which the clock will show correct time, and the coefficient of linear expansion (a) of the metal of the pendulum shaft are respectively :- [JEE Main Solved Paper-2016 ]
  A)
  \[{{55}^{o}}C;\alpha =1.85\times {{10}^{-2}}{{/}^{o}}C\]
  done clear
  B)
  \[{{25}^{o}}C;\alpha =1.85\times {{10}^{-5}}{{/}^{o}}C\]
  done clear
  C)
  \[{{60}^{o}}C;\alpha =1.85\times {{10}^{-4}}{{/}^{o}}C\]
  done clear
  D)
  \[{{30}^{o}}C;\alpha =1.85\times {{10}^{-3}}{{/}^{o}}C\]
  done clear
  View Answer play_arrow

• question_answer56) A uniform string of length 20m is suspended from a rigid support. A short wave pulse is introduced at its lowest end. It starts moving up the string. The time taken to reach the support is :- (take\[\text{g}=\text{1}0\text{m}{{\text{s}}^{\text{2}}}\]) [JEE Main Solved Paper-2016 ]
  A)
  \[\sqrt{2}s\]                                      
  done clear
  B)
  \[2\pi \sqrt{2}s\]
  done clear
  C)
  \[2s\]                                   
  done clear
  D)
  \[2\sqrt{2}s\]
  done clear
  View Answer play_arrow

• question_answer57) A point particle of mass, moves along the uniformly rough track PQR as shown in the figure. The coefficient of friction, between the particle and the rough track equals m. The particle is released, from rest, from the point P and it comes to rest at a point R. The energies, lost by the ball, over the parts, PQ and PR, of the track, are equal to each other, and no energy is lost when particle changes direction from PQ to QR. The values of the coefficient of friction m and the distance x(=QR) are, respecitvely close to :- [JEE Main Solved Paper-2016 ]
  A)
  0.29 and 6.5 m  
  done clear
  B)
  0.2 and 6.5 m
  done clear
  C)
  0.2 and 3.5 m    
  done clear
  D)
   0.29 and 3.5 m
  done clear
  View Answer play_arrow

• question_answer58) A pipe open at both ends has a fundamental frequency f in air. The pipe is dipped vertically in water so that half of it is in water. The fundamental frequencty of the air column is now :- [JEE Main Solved Paper-2016 ]
  A)
  f             
  done clear
  B)
  \[\frac{f}{2}\]
  done clear
  C)
  \[\frac{3f}{4}\]                                 
  done clear
  D)
  2f
  done clear
  View Answer play_arrow

• question_answer59) A particle performs simple harmonic motion with amplitude A. Its speed is trebled at the instant that it is at a distance\[\frac{2A}{3}\]from equilibrium position. The new amplitude of the motion is :- [JEE Main Solved Paper-2016 ]
  A)
  \[\frac{7A}{3}\]                
  done clear
  B)
  \[\frac{A}{3}\sqrt{41}\]
  done clear
  C)
   3A                                         
  done clear
  D)
  A 3
  done clear
  View Answer play_arrow

• question_answer60) An arc lamp requires a direct current of 10A at 80V to function. If it is connected to a 220V (rms), 50 Hz AC supply, the series inductor needed for it to work is close to :- [JEE Main Solved Paper-2016 ]
  A)
  0.065 H                
  done clear
  B)
  80 H
  done clear
  C)
  0.08 H                   
  done clear
  D)
  0.044 H
  done clear
  View Answer play_arrow

• question_answer61) Which one of the following statements about water is FALSE ? [JEE Main Solved Paper-2016 ]
  A)
  Ice formed by heavy water sinks in normal water.
  done clear
  B)
  Water is oxidized to oxygen during photosynthesis.
  done clear
  C)
  Water can act both as an acid and as a base.
  done clear
  D)
  There is extensive intra molecular hydrogen bonding in the condensed phase.
  done clear
  View Answer play_arrow

• question_answer62) The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 ppb, 40 ppb, 100 ppm and 0.2 ppm, respectively. This water is unsuitable for drinking due to high concentration of :- [JEE Main Solved Paper-2016 ]
  A)
  Iron                                       
  done clear
  B)
  Fluoride
  done clear
  C)
  Lead                     
  done clear
  D)
  Nitrate
  done clear
  View Answer play_arrow

• question_answer63) Galvanization is applying a coating of :- [JEE Main Solved Paper-2016 ]
  A)
  Zn          
  done clear
  B)
  Pb
  done clear
  C)
  Cr                                           
  done clear
  D)
  Cu
  done clear
  View Answer play_arrow

• question_answer64) Which one of the following complexes shows optical isomerism :- [JEE Main Solved Paper-2016 ]
  A)
  \[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]Cl\]
  done clear
  B)
  \[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]\]
  done clear
  C)
  \[cis[Co{{(en)}_{2}}C{{l}_{2}}]Cl\]
  done clear
  D)
   trans\[[Co{{(en)}_{2}}C{{l}_{2}}]Cl\]
  done clear
  View Answer play_arrow

• question_answer65) Two closed bulbs of equal volume(V) containing an ideal gas initially at pressure \[{{p}_{i}}\] and temperature \[{{T}_{1}}\]are connected through a narrow tube of negligible volume as shown in the figure below. The temperature of one of the bulbs is then raised to \[{{T}_{2}}\]The final pressure \[{{p}_{f}}\] is :- [JEE Main Solved Paper-2016 ]
  A)
  \[2{{p}_{i}}\left( \frac{{{T}_{1}}{{T}_{2}}}{{{T}_{1}}+{{T}_{2}}} \right)\]   
  done clear
  B)
  \[{{p}_{i}}\left( \frac{{{T}_{1}}{{T}_{2}}}{{{T}_{1}}+{{T}_{2}}} \right)\]
  done clear
  C)
  \[2{{p}_{i}}\left( \frac{{{T}_{1}}}{{{T}_{1}}+{{T}_{2}}} \right)\]                    
  done clear
  D)
  \[2{{p}_{i}}\left( \frac{{{T}_{2}}}{{{T}_{1}}+{{T}_{2}}} \right)\]
  done clear
  View Answer play_arrow

• question_answer66) The heats of combustion of carbon and carbon monoxide are -393.5 and -285.5 kJ \[\text{mo}{{\text{l}}^{\text{-1}}},\] respectively. The heat of formation (in kJ) of carbon monoxide per mole is :- [JEE Main Solved Paper-2016 ]
  A)
  -110.5                                
  done clear
  B)
  110.5
  done clear
  C)
  676.5                    
  done clear
  D)
  -676.5
  done clear
  View Answer play_arrow

• question_answer67) At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air containing 20% \[{{O}_{2}}\] by volume for complete combustion. After combustion the gases occupy 330 mL. Assuming that the water formed is in liquid form and the volumes were measured at the same temperature and pressure, the formula of the hydrocarbon is :- [JEE Main Solved Paper-2016 ]
  A)
  \[{{C}_{4}}{{H}_{10}}\]                  
  done clear
  B)
  \[{{C}_{3}}{{H}_{6}}\]
  done clear
  C)
  \[{{C}_{3}}{{H}_{8}}\]                    
  done clear
  D)
  \[{{C}_{4}}{{H}_{8}}\]
  done clear
  View Answer play_arrow

• question_answer68) Decomposition of \[{{H}_{2}}{{O}_{2}}\]follows a first order reaction. In fifty minutes the concentration of \[{{H}_{2}}{{O}_{2}}\]decreases from 0.5 to 0.125 M in one such decomposition. When the concentration of \[{{H}_{2}}{{O}_{2}}\]reaches 0.05 M, the rate of formation of \[{{O}_{2}}\]will be :- [JEE Main Solved Paper-2016 ]
  A)
  \[\text{1}.\text{34}\times \text{1}{{0}^{\text{2}}}\text{mol mi}{{\text{n}}^{\text{1}}}\]
  done clear
  B)
  \[\text{6}.\text{93}\times \text{1}{{0}^{\text{2}}}\text{mol mi}{{\text{n}}^{\text{1}}}\]
  done clear
  C)
  \[\text{6}.\text{93}\times \text{1}{{0}^{\text{4}}}\text{mol mi}{{\text{n}}^{\text{1}}}\]
  done clear
  D)
  \[\text{2}.\text{66 Lmi}{{\text{n}}^{\text{1}}}\text{at STP}\]
  done clear
  View Answer play_arrow

• question_answer69) The pair having the same magnetic moment is:- \[[\text{At}.\text{No}.:\text{Cr}=\text{24},\text{Mn}=\text{25},\text{Fe}=\text{26},\text{Co}=\text{27}]\] [JEE Main Solved Paper-2016 ]
  A)
  \[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\text{and}\,{{[Fe{{({{H}_{2}}O)}_{4}}]}^{2-}}\]
  done clear
  B)
  \[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\text{and}\,{{[Co(CoC{{l}_{4}})]}^{2-}}\]
  done clear
  C)
  \[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\text{and}\,{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  D)
  \[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}\text{and}\,Cr{{({{H}_{2}}O)}_{6}}{{]}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer70) The species in which the N atom is in a state of sp hybridization is :- [JEE Main Solved Paper-2016 ]
  A)
  \[N{{O}_{2}}\]                                  
  done clear
  B)
  \[NO_{2}^{+}\]
  done clear
  C)
  \[NO_{2}^{-}\]                                 
  done clear
  D)
  \[NO_{3}^{-}\]
  done clear
  View Answer play_arrow

• question_answer71) Thiol group is present in :- [JEE Main Solved Paper-2016 ]
  A)
  Methionine                       
  done clear
  B)
  Cytosine
  done clear
  C)
  Cystine                                
  done clear
  D)
  Cysteine
  done clear
  View Answer play_arrow

• question_answer72) The pair in which phosphorous atoms have a formal oxidation state of + 3 is :- [JEE Main Solved Paper-2016 ]
  A)
  Pyrophosphorous and pyrophosphoric acids
  done clear
  B)
  Orthophosphorous and pyrophosphorous acids
  done clear
  C)
   Pyrophosphorous and hypophosphoric acids
  done clear
  D)
  Orthophosphorous and hypophosphoric acids
  done clear
  View Answer play_arrow

• question_answer73) The distillation technique most suited for separating glycerol from spent-lye in the soap industry is : [JEE Main Solved Paper-2016 ]
  A)
  Distillation under reduced pressure
  done clear
  B)
  Simple distillation
  done clear
  C)
  Fractional distillation
  done clear
  D)
  Steam distillation
  done clear
  View Answer play_arrow

• question_answer74) Which one of the following ores is best concentrated by froth floatation method ? [JEE Main Solved Paper-2016 ]
  A)
  Malachite                           
  done clear
  B)
  Magnetite
  done clear
  C)
  Siderite                               
  done clear
  D)
  Galena
  done clear
  View Answer play_arrow

• question_answer75) Which of the following atoms has the highest first ionization energy ? [JEE Main Solved Paper-2016 ]
  A)
  Sc           
  done clear
  B)
  Rb
  done clear
  C)
  Na                                         
  done clear
  D)
  K
  done clear
  View Answer play_arrow

• question_answer76) In the Hofmann bromamide degradation reaction, the number of moles of NaOH and \[\text{B}{{\text{r}}_{\text{2}}}\]used per mole of amine produced are : [JEE Main Solved Paper-2016 ]
  A)
  Four moles of NaOH and one mole of \[\text{B}{{\text{r}}_{\text{2}}}\]
  done clear
  B)
   One mole of NaOH and one mole of \[\text{B}{{\text{r}}_{\text{2}}}\]
  done clear
  C)
   Four moles of NaOH and two moles of \[\text{B}{{\text{r}}_{\text{2}}}\]
  done clear
  D)
  Two moles of NaOH and two moles of \[\text{B}{{\text{r}}_{\text{2}}}\]
  done clear
  View Answer play_arrow

• question_answer77) Which of the following compounds is metallic and ferromagnetic ? [JEE Main Solved Paper-2016 ]
  A)
  \[Mn{{O}_{2}}\]                              
  done clear
  B)
  \[Ti{{O}_{2}}\]
  done clear
  C)
  \[Cr{{O}_{2}}\]                 
  done clear
  D)
  \[V{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer78) Which of the following statements about low density polythene is FALSE ? [JEE Main Solved Paper-2016 ]
  A)
  It is used in the manufacture of buckets, dust-bins etc.
  done clear
  B)
  Its synthesis requires high pressure
  done clear
  C)
  It is a poor conductor of electricity
  done clear
  D)
  Its synthesis requires dioxygen or a peroxide initiator as a catalyst.
  done clear
  View Answer play_arrow

• question_answer79) 2-chloro-2-methylpentane on reaction with sodium methoxide in methanol yields : [JEE Main Solved Paper-2016 ]

  (a)	\[{{C}_{2}}{{H}_{5}}C{{H}_{2}}\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}}\,-OC{{H}_{3}}\]
  (b)	\[{{C}_{2}}{{H}_{5}}C{{H}_{2}}\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\]
  (c)	\[{{C}_{2}}{{H}_{5}}C{{H}_{2}}=\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]

   
  A)
  (a) and (b)                
  done clear
  B)
  All of these
  done clear
  C)
  (a) and (c)                 
  done clear
  D)
  (c) only
  done clear
  View Answer play_arrow

• question_answer80) A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are  charge and mass of an electron respectively, then the value of\[h/\lambda \](where \[\lambda \]is wavelength associated with electron wave) is given by : [JEE Main Solved Paper-2016 ]
  A)
  \[\sqrt{2meV}\]                              
  done clear
  B)
   2meV
  done clear
  C)
  2meV                   
  done clear
  D)
  \[\sqrt{meV}\]
  done clear
  View Answer play_arrow

• question_answer81) 18 g glucose \[({{C}_{6}}{{H}_{12}}{{O}_{6}})\]is added to 178.2 g water. The vapour pressure of water (in torr) for this aqueous solution is : [JEE Main Solved Paper-2016 ]
  A)
  759.0
  done clear
  B)
  7.6
  done clear
  C)
  76.0                                       
  done clear
  D)
  752.4
  done clear
  View Answer play_arrow

• question_answer82) The product of the reaction given below is : [JEE Main Solved Paper-2016 ]
  A)
                
  done clear
  B)
  
  done clear
  C)
      
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer83) The hottest region of Bunsen flame shown in the figure below is : [JEE Main Solved Paper-2016 ]
  A)
  region 4                               
  done clear
  B)
  region 1
  done clear
  C)
  region 2                               
  done clear
  D)
  region 3
  done clear
  View Answer play_arrow

• question_answer84) The reaction of zinc with dilute and concentrated nitric acid, respectively produces : [JEE Main Solved Paper-2016 ]
  A)
  \[N{{O}_{2}}\]and \[{{N}_{2}}O\]            
  done clear
  B)
   \[{{N}_{2}}O\]and \[N{{O}_{2}}\]
  done clear
  C)
  \[N{{O}_{2}}\]and NO                   
  done clear
  D)
  NO and \[{{N}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer85) Which of the following is an anionic detergent ? [JEE Main Solved Paper-2016 ]
  A)
  Glyceryl oleate
  done clear
  B)
  Sodium stearate
  done clear
  C)
  Sodium lauryl sulphate
  done clear
  D)
  Cetyltrimethyl ammonium bromide
  done clear
  View Answer play_arrow

• question_answer86) The reaction of propene with HOCl \[(C{{l}_{2}}+{{H}_{2}}O)\]proceeds through the intermediate : [JEE Main Solved Paper-2016 ]
  A)
  \[C{{H}_{3}}-CHCl-C{{H}_{2}}^{+}\]
  done clear
  B)
  \[C{{H}_{3}}-C{{H}^{+}}-C{{H}_{2}}-OH\]
  done clear
  C)
  \[C{{H}_{3}}-C{{H}^{+}}-C{{H}_{2}}-Cl\]
  done clear
  D)
  \[C{{H}_{3}}-CH(OH)-C{{H}_{2}}^{+}\]
  done clear
  View Answer play_arrow

• question_answer87) For a linear plot of log(x/m) versus log p in a Freundlich adsorption isotherm, which of the following statements is correct ? (k and n are constants) [JEE Main Solved Paper-2016 ]
  A)
  log (1/n) appears as the intercept
  done clear
  B)
  Both k and 1/n appear in the slope term
  done clear
  C)
  1/n appears as the intercept
  done clear
  D)
  Only 1/n appears as the slope
  done clear
  View Answer play_arrow

• question_answer88) The main oxides formed on combustion of Li, Na and K in excess of air are respectively : [JEE Main Solved Paper-2016 ]
  A)
  \[L{{i}_{2}}O,N{{a}_{2}}{{O}_{2}}\] and\[K{{O}_{2}}\]
  done clear
  B)
  \[L{{i}_{2}}O,N{{a}_{2}}O\]and \[K{{O}_{2}}\]
  done clear
  C)
  \[Li{{O}_{2}},N{{a}_{2}}{{O}_{2}}\]and \[{{K}_{2}}O\]
  done clear
  D)
  \[L{{i}_{2}}{{O}_{2}},N{{a}_{2}}{{O}_{2}}\] and \[K{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer89) The equilibrium constants at 298 K for a reaction \[A+BC+D\]is 100. If the initial concentration of all the four species were 1 M each, then equilibrium concentration of D (in mol\[{{L}^{-1}}\]) will be : [JEE Main Solved Paper-2016 ]
  A)
  1.182                    
  done clear
  B)
   0.182
  done clear
  C)
  0.818                    
  done clear
  D)
  1.818
  done clear
  View Answer play_arrow

• question_answer90) The absolute configuration of : [JEE Main Solved Paper-2016 ]
  A)
  (2R, 3R)                               
  done clear
  B)
  (2R, 3S)
  done clear
  C)
  (2S, 3R)                                
  done clear
  D)
  (2S, 3S)
  done clear
  View Answer play_arrow