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

done JEE Main Solved Paper-2016 Total Questions - 30

• question_answer1) 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
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• question_answer2) 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_answer3) 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
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• question_answer4) 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_answer5) 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
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• question_answer6) 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
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• question_answer7) 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
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• question_answer8) 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_answer9) 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_answer10) 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
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• question_answer11) 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_answer12) 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_answer13) 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
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• question_answer14) 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
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• question_answer15) 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_answer16) 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_answer17) 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
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• question_answer18) 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_answer19) 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_answer20) 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_answer21) 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_answer22) 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
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• question_answer23) 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
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• question_answer24) 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_answer25) 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_answer26) 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_answer27) 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_answer28) 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_answer29) 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_answer30) 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
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