Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2016)

done JEE Main Paper (Held On 9 April 2016) Total Questions - 30

• question_answer1) The artificial sweetener that has the highest sweetness value in comparison to cane sugar is :   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Saccharin                                            
  done clear
  B)
  Sucralose                
  done clear
  C)
  Alitame               
  done clear
  D)
  Aspartane
  done clear
  View Answer play_arrow

• question_answer2) The non-metal that does not exhibit positive oxidation state is :   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Fluorine              
  done clear
  B)
  Oxygen
  done clear
  C)
  Chlorine                              
  done clear
  D)
  Iodine
  done clear
  View Answer play_arrow

• question_answer3) The reaction of ozone with oxygen atoms in the presence of chlorine atoms can occur by a two step process show below:

  \[{{O}_{3}}(g)+C{{l}^{\bullet }}(g)\to {{O}_{2}}(g)+Cl{{O}^{\bullet }}(g)\]……(i)

  \[{{k}_{i}}=5.2\times {{10}^{9}}L\,mo{{l}^{-1}}{{s}^{-1}}\]

  \[Cl{{O}^{\bullet }}(g)+{{O}^{\bullet }}(g)\to {{O}_{2}}(g)+C{{l}^{\bullet }}(g)\]……(ii)

  \[{{k}_{ii}}=2.6\times {{10}^{10}}L\,mo{{l}^{-1}}{{s}^{-1}}\]

  The closest rate constant for the overall reaction\[{{O}_{3}}(g)+{{O}^{\bullet }}(g)\to 2{{O}_{2}}(g)\] is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[1.4\times {{10}^{20}}L\,mo{{l}^{-1}}\,{{s}^{-1}}\]
  done clear
  B)
  \[5.2\times {{10}^{9}}L\,mo{{l}^{-1}}\,{{s}^{-1}}\]                
  done clear
  C)
  \[3.1\times {{10}^{10}}L\,mo{{l}^{-1}}\,{{s}^{-1}}\]                
  done clear
  D)
  \[2.6\times {{10}^{10}}L\,mo{{l}^{-1}}\,{{s}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer4) 5L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Butane                
  done clear
  B)
  Isobutane
  done clear
  C)
  Ethane                 
  done clear
  D)
  Propane
  done clear
  View Answer play_arrow

• question_answer5) Match the items in Column I with its main use listed in Column II:

  Column I	Column II
  (a) Silica gel	(i) Transistor
  (b) Silicon	(ii) Ion-exchanger
  (c) Silicone	(iii) Drying agent
  (d) Silicate	(iv) Sealant

      JEE Main Online Paper (Held On 09 April 2016)
  A)
  (A)-(iii), (B)-(i), (C)-(iv), (D)-(ii)
  done clear
  B)
  (A)-(ii), (B)-(i), (C)-(iv), (D)-(iii)
  done clear
  C)
  (A)-(iv), (B)-(i), (C)-(ii), (D)-(iii)
  done clear
  D)
  (A)-(ii), (B)-(iv), (C)-(i), (D)-(iii)
  done clear
  View Answer play_arrow

• question_answer6) The group of molecules having identical shape is :   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[PC{{l}_{5}},I{{F}_{5}},Xe{{O}_{2}}{{F}_{2}}\]
  done clear
  B)
  \[B{{F}_{3}},PC{{l}_{3}},Xe{{O}_{3}}\]
  done clear
  C)
  \[Cl{{F}_{3}},XeO{{F}_{2}},XeF_{3}^{+}\]
  done clear
  D)
  \[S{{F}_{4}},Xe{{F}_{4}},CC{{l}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer7) Which one of the following species is stable in aqueous solution?   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[MnO_{4}^{2-}\]           
  done clear
  B)
  \[MnO_{4}^{3-}\]                
  done clear
  C)
  \[C{{u}^{+}}\]                                                   
  done clear
  D)
  \[C{{r}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer8) For the reaction, \[A(g)+B(g)\to C(g)+D(g),\Delta {{H}^{0}}\]and\[\Delta {{S}^{0}}\]  are, respectively,\[-29.8kJ\,mo{{l}^{-1}}\]and\[-0.100kJ\,{{K}^{-1}}mo{{l}^{-1}}\]at 298 K. The equilibrium constant for the reaction at 298 K is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  1             
  done clear
  B)
  10
  done clear
  C)
  1.0 × 10.10                          
  done clear
  D)
  1.0 × 1010
  done clear
  View Answer play_arrow

• question_answer9) Assertion : Rayon is a semisynthetic polymer whose properties are better than natural cotton. Reason : Mechanical and aesthetic properties of cellulose can be improved by acetylation.   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Both assertion and reason are correct, and the reason is the correct explanation for the assertion.
  done clear
  B)
  Both assertion and reason are incorrect.
  done clear
  C)
  Assertion is incorrect statement, but the reason is correct.
  done clear
  D)
  Both assertion and reason are correct, but the reason is not the correct explanation for the assertion.
  done clear
  View Answer play_arrow

• question_answer10) The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is :   JEE Main Online Paper (Held On 09 April 2016)
  A)
  4,4-dimethylpentene
  done clear
  B)
  2,2-dimethyl-4-pentene
  done clear
  C)
  Isopropyl-2-butene
  done clear
  D)
  2,2-dimethyl-3-pentene
  done clear
  View Answer play_arrow

• question_answer11) The gas evolved on heating \[C{{H}_{3}}MgBr\]in methanol is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Propane                                              
  done clear
  B)
  Ethane                
  done clear
  C)
  HBr                                                        
  done clear
  D)
  Methane
  done clear
  View Answer play_arrow

• question_answer12) Identify the correct trend given below: (Atomic No.: Ti = 22, Cr = 24 and Mo = 42)   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[{{\Delta }_{o}}\]of\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}<{{[Mo{{({{H}_{2}}O)}_{6}}]}^{2+}}\]and\[{{\Delta }_{o}}\]of\[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{3+}}>{{[Ti{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  B)
  \[{{\Delta }_{o}}\]of\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}>{{[Mo{{({{H}_{2}}O)}_{6}}]}^{2+}}\]and\[{{\Delta }_{o}}\]of\[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{3+}}<{{[Ti{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  C)
  \[{{\Delta }_{o}}\]of\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}>{{[Mo{{({{H}_{2}}O)}_{6}}]}^{2+}}\]and \[{{\Delta }_{o}}\]of\[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{3+}}<{{[Ti{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  D)
  \[{{\Delta }_{o}}\]of\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}<{{[Mo{{({{H}_{2}}O)}_{6}}]}^{2+}}\]and \[{{\Delta }_{o}}\]of\[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{3+}}>{{[Ti{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer13) The most appropriate method of making egg-albumin sol is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Keep the egg in boiling water for 10 minutes. After removing the shell, transfer the yellow part of the content to 100 mL of 5% w/V saline solution and homogenize with a mechanical shaker.
  done clear
  B)
  Break an egg carefully and transfer the transparent part of the content to 100 mL of 5% w/V saline solution and stir well.
  done clear
  C)
  Keep the egg in boiling water for 10 minutes. After removing the shell, transfer the white part of the content to 100 mL of 5% w/V saline solution and homogenize with a mechanical shaker.
  done clear
  D)
  Break an egg carefully and transfer only the yellow part of the content to 100 mL of 5% w/V saline solution and stir well.
  done clear
  View Answer play_arrow

• question_answer14) Which one of the following complexes will consume more equivalents of aqueous solution of \[Ag(N{{O}_{3}})\]?   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[N{{a}_{3}}[CrC{{l}_{6}}]\]                         
  done clear
  B)
  \[[Cr{{({{H}_{2}}O)}_{5}}Cl]C{{l}_{2}}\]
  done clear
  C)
  \[[Cr{{({{H}_{2}}O)}_{6}}]C{{l}_{3}}\]
  done clear
  D)
  \[[N{{a}_{2}}(CrC{{l}_{5}})({{H}_{2}}O)]\]
  done clear
  View Answer play_arrow

• question_answer15) At very high pressures, the compressibility factor of one mole of a gas is given by :   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[1+\frac{pb}{RT}\]
  done clear
  B)
  \[\frac{pb}{RT}\]
  done clear
  C)
  \[1-\frac{b}{(VRT)}\]                     
  done clear
  D)
  \[1-\frac{pb}{RT}\]
  done clear
  View Answer play_arrow

• question_answer16) A reaction at 1 bar is non-spontaneous at low temperature but becomes spontaneous at high temperature. Identify the correct statement about the reaction among the following:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Both\[\Delta H\] and \[\Delta S\] are positive.
  done clear
  B)
  \[\Delta H\]is negative while \[\Delta S\] is positive.
  done clear
  C)
  \[\Delta H\]is positive while\[\Delta S\]is negative.
  done clear
  D)
  Both \[\Delta S\]and \[\Delta S\] are negative.
  done clear
  View Answer play_arrow

• question_answer17) Which intermolecular force is most responsible in allowing xenon gas to liquefy?   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Instantaneous dipole-induced dipole
  done clear
  B)
  Ionic
  done clear
  C)
  Ion-dipole                          
  done clear
  D)
  Dipole-dipole
  done clear
  View Answer play_arrow

• question_answer18) Identify the incorrect statement regarding heavy water:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  It reacts with \[Ca{{C}_{2}}\]to produce \[{{C}_{2}}{{D}_{2}}\] and \[Ca{{(OD)}_{2}}.\]
  done clear
  B)
  It is used as a coolant in nuclear reactors.
  done clear
  C)
  It reacts with \[A{{l}_{4}}{{C}_{3}}\] to produce \[C{{D}_{4}}\] and \[Al{{(OD)}_{3}}.\]
  done clear
  D)
  It reacts with \[S{{O}_{3}}\]to form deuterated sulphuric acid \[({{D}_{2}}S{{O}_{4}}).\]
  done clear
  View Answer play_arrow

• question_answer19) A particular adsorption process has the following characteristics:

  (i) It arises due to vander Waals forces and

  (ii) it is reversible. Identify the correct statement that describes the above adsorption process:

      JEE Main Online Paper (Held On 09 April 2016)
  A)
  Enthalpy of adsorption is greater than \[100 \text{kJ}\,\text{mo}{{\text{l}}^{\text{-1}}}.\]
  done clear
  B)
  Adsorption is monolayer.
  done clear
  C)
  Adsorption increases with increase in temperature.
  done clear
  D)
  Energy of activation is low.
  done clear
  View Answer play_arrow

• question_answer20) The plot shows the variation of .ln Kp versus temperature for the two reactions.

  \[M(s)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow[{}]{{}}MO(s)\]and

  \[C(s)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow[{}]{{}}CO(s)\]

   Identify the correct statement:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  At T > 1200 K, carbon will reduce MO(s) to M(s).
  done clear
  B)
  At T < 1200 K, oxidation of carbon is unfavourable.
  done clear
  C)
  Oxidation of carbon is favourable at all temperatures.
  done clear
  D)
  At \[T<1200K,\] the reaction \[MO(s)+C(s)\to M(s)+CO(g)\]is spontaneous.
  done clear
  View Answer play_arrow

• question_answer21) BOD stands for:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Biochemical Oxygen Demand
  done clear
  B)
  Biochemical Oxidation Demand
  done clear
  C)
  Biological Oxygen Demand
  done clear
  D)
  Bacterial Oxidation Demand
  done clear
  View Answer play_arrow

• question_answer22) What will occur if a block of copper metal is dropped into a beaker containing a solution of\[1MZnS{{O}_{4}}?\]   JEE Main Online Paper (Held On 09 April 2016)
  A)
  The copper metal will dissolve and zinc metal will be deposited.                
  done clear
  B)
  The copper metal will dissolve with evolution of oxygen gas.
  done clear
  C)
  The copper metal will dissolve with evolution of hydrogen gas.                
  done clear
  D)
  No reaction will occur.
  done clear
  View Answer play_arrow

• question_answer23) The test to distinguish primary, secondary and tertiary amine is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Mustard oil test               
  done clear
  B)
  \[{{C}_{6}}{{H}_{5}}S{{O}_{2}}Cl\]
  done clear
  C)
  Sandmeyer's reaction
  done clear
  D)
  Carbylamine reaction
  done clear
  View Answer play_arrow

• question_answer24) The total number of orbitals associated with the principal quantum number 5 is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  5                                             
  done clear
  B)
  20
  done clear
  C)
  25          
  done clear
  D)
  10
  done clear
  View Answer play_arrow

• question_answer25) The correct order of the solubility of alkaline-earth metal sulphates in water is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Mg < Sr < Ca < Ba            
  done clear
  B)
  Mg > Ca> Sr > Ba
  done clear
  C)
  Mg > Sr > Ca > Ba            
  done clear
  D)
  Mg < Ca < Sr < Ba
  done clear
  View Answer play_arrow

• question_answer26) An organic compound contains C, H and S. The minimum molecular weight of the compound containing 8% sulphur is: (atomic weight of S = 32 amu)   JEE Main Online Paper (Held On 09 April 2016)
  A)
  300 g \[\text{mo}{{\text{l}}^{\text{-1}}}\]                           
  done clear
  B)
  400 g \[\text{mo}{{\text{l}}^{\text{-1}}}\]
  done clear
  C)
  200 g \[\text{mo}{{\text{l}}^{\text{-1}}}\]                           
  done clear
  D)
  600 g \[\text{mo}{{\text{l}}^{\text{-1}}}\]
  done clear
  View Answer play_arrow

• question_answer27) Bouveault-Blanc reduction reaction involves:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  Reduction of an anhydride with \[LiAl{{H}_{4}}.\]                
  done clear
  B)
  Reduction of an ester with \[Na/{{C}_{2}}{{H}_{5}}OH.\]
  done clear
  C)
  Reduction of a carbonyl compound with Na/Hg and HCl.                
  done clear
  D)
  Reduction of an acyl halide with H2/Pd.
  done clear
  View Answer play_arrow

• question_answer28) Consider the following sequence for aspartic acid: The pl (isoelectric point) of aspartic acid is:   JEE Main Online Paper (Held On 09 April 2016)
  A)
  5.74                       
  done clear
  B)
  3.65
  done clear
  C)
  2.77
  done clear
  D)
  1.88
  done clear
  View Answer play_arrow

• question_answer29) The amount of arsenic pentasulphide that can be obtained when 35.5 g arsenic acid is treated with excess \[{{H}_{2}}S\]in the presence of conc. HCl (assuming 100% conversion)   JEE Main Online Paper (Held On 09 April 2016)
  A)
  0.25 mol                                              
  done clear
  B)
  0.125 mol
  done clear
  C)
  0.333 mol                                           
  done clear
  D)
  0.50 mol
  done clear
  View Answer play_arrow

• question_answer30) The solubility of \[{{N}_{2}}\]in water at 300 K and 500 torr partial pressure is 0.01 g \[{{\text{L}}^{\text{-1}}}\]. The solubility (in g \[{{\text{L}}^{\text{-1}}}\]) at 750 torr partial pressure is :   JEE Main Online Paper (Held On 09 April 2016)
  A)
  0.02                       
  done clear
  B)
  0.015
  done clear
  C)
  0.0075                  
  done clear
  D)
  0.005
  done clear
  View Answer play_arrow