Solved papers for JEE Main & Advanced JEE Main Solved Paper-2014

done JEE Main Solved Paper-2014 Total Questions - 30

• question_answer1) Which one of the following properties is not shown by NO?   JEE Main  Solved  Paper-2014
  A)
  It combines with oxygen to form nitrogen dioxide
  done clear
  B)
  It is bond order is 2.5
  done clear
  C)
  It is diamagnetic in gaseous state
  done clear
  D)
  It is a neutral oxide
  done clear
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• question_answer2) If Z is a compressibility factor, van der Waals equation at low pressure can be written as :   JEE Main  Solved  Paper-2014
  A)
  \[Z=1-\frac{Pb}{RT}\]                    
  done clear
  B)
  \[Z=1+\frac{Pb}{RT}\]
  done clear
  C)
  \[Z=1+\frac{RT}{Pb}\]                   
  done clear
  D)
  \[Z=1-\frac{a}{VRT}\]
  done clear
  View Answer play_arrow

• question_answer3) 63. The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is :   JEE Main  Solved  Paper-2014
  A)
  Cu                                          
  done clear
  B)
  Cr
  done clear
  C)
  Ag                                          
  done clear
  D)
  Ca
  done clear
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• question_answer4) Resistance of 0.2 M solution of an electrolyte is \[50\Omega .\]The specific conductance of the solution is\[\text{S}{{\text{m}}^{\text{-1}}}\]. The resistance of 0.5 M solution of the same electrolyte is \[280\Omega .\]The molarconductivity of 0.5 M solution of the electrolyte in \[\text{S}\,{{\text{m}}^{\text{2}}}\,\text{mo}{{\text{l}}^{-1}}\] is :   JEE Main  Solved  Paper-2014
  A)
  \[5\times {{10}^{3}}\]                   
  done clear
  B)
  \[5\times {{10}^{2}}\]
  done clear
  C)
  \[5\times {{10}^{-4}}\]
  done clear
  D)
  \[5\times {{10}^{-3}}\]
  done clear
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• question_answer5) CsCl crystallises in body centred cubic lattice. If ?a? is its edge length then which of thefollowing expressions is correct ?   JEE Main  Solved  Paper-2014
  A)
  \[{{r}_{Cs}}+{{r}_{Cl-}}=\frac{\sqrt{3}}{2}a\]       
  done clear
  B)
  \[{{r}_{Cs}}{{+}_{C{{l}^{-}}}}=\sqrt{3}a\]
  done clear
  C)
  \[{{r}_{Cs}}_{+}{{+}_{C{{l}^{-}}}}=3a\]   
  done clear
  D)
  \[{{r}_{Cs}}_{+}+{{r}_{C{{l}^{-}}}}=\frac{3a}{2}\]
  done clear
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• question_answer6) Consider separate solutions of \[0.500M{{C}_{2}}{{H}_{5}}OH(aq),\] \[0.100M\,M{{g}_{3}}{{(P{{O}_{4}})}_{2}}(aq),0.250\,MKBr(aq)\]and \[0.125MN{{a}_{3}}P{{O}_{4}}(aq)\]at \[25{}^\circ C\]. Which statement is true about these solutions, assuming allsalts to be strong electrolytes ?   JEE Main  Solved  Paper-2014
  A)
  \[0.125MN{{a}_{3}}P{{O}_{4}}(aq)\]has the highest osmotic pressure.
  done clear
  B)
  \[0.500M{{C}_{2}}{{H}_{5}}OH(aq)\]has the highest osmotic pressure.
  done clear
  C)
  They all have the same osmotic pressure.
  done clear
  D)
  \[0.100MM{{g}_{3}}{{(P{{O}_{4}})}_{2}}(aq)\]has the highest osmotic pressure.
  done clear
  View Answer play_arrow

• question_answer7) In which of the following reactions \[{{H}_{2}}{{O}_{2}}\]acts as a reducing agent ?

  (A)\[{{H}_{2}}{{O}_{2}}+2{{H}^{+}}+2{{e}^{-}}\to 2{{H}_{2}}O\]

  (B)\[{{H}_{2}}{{O}_{2}}-2{{e}^{-}}\to {{O}_{2}}+2{{H}^{+}}\]

  (C)\[{{H}_{2}}{{O}_{2}}+2{{e}^{-}}\to 2O{{H}^{-}}\]

  (D)\[{{H}_{2}}{{O}_{2}}+2O{{H}^{-}}-2{{e}^{-}}\to {{O}_{2}}+2{{H}_{2}}O\]

      JEE Main  Solved  Paper-2014
  A)
  \[(a), (c)\]
  done clear
  B)
  \[(b), (d)\]
  done clear
  C)
  \[(a), (b)\]
  done clear
  D)
  \[(c), (d)\]
  done clear
  View Answer play_arrow

• question_answer8) In \[{{S}_{N}}2\]reactions, the correct order of reactivity for the following compounds : \[C{{H}_{3}}Cl,C{{H}_{3}}C{{H}_{2}}Cl,{{(C{{H}_{3}})}_{2}}CHCl\]and\[{{(C{{H}_{3}})}_{3}}CCl\]is:   JEE Main  Solved  Paper-2014
  A)
  \[C{{H}_{3}}C{{H}_{2}}Cl>C{{H}_{3}}Cl>{{(C{{H}_{3}})}_{2}}CHCl>{{(C{{H}_{3}})}_{3}}CCl\]
  done clear
  B)
  \[{{(C{{H}_{3}})}_{2}}CHCl>C{{H}_{3}}C{{H}_{2}}Cl>C{{H}_{3}}Cl>{{(C{{H}_{3}})}_{3}}CCl\]
  done clear
  C)
  \[C{{H}_{3}}Cl>{{(C{{H}_{3}})}_{2}}CHCl>C{{H}_{2}}C{{H}_{2}}Cl>{{(C{{H}_{3}})}_{3}}CCl\]
  done clear
  D)
  \[C{{H}_{3}}Cl>C{{H}_{3}}C{{H}_{2}}Cl>{{(C{{H}_{3}})}_{2}}CHCl>{{(C{{H}_{3}})}_{3}}CCl\]
  done clear
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• question_answer9) The octahedral complex of a metal ion \[{{M}^{3+}}\] with four monodentate ligands \[{{L}_{1}},{{L}_{2}},{{L}_{3}}\]and \[{{L}_{4}}\]absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasingorder of ligand strength of the four ligands is :   JEE Main  Solved  Paper-2014
  A)
  \[{{L}_{3}}<{{L}_{2}}<{{L}_{4}}<{{L}_{1}}\]            
  done clear
  B)
  \[{{L}_{1}}<{{L}_{2}}<{{L}_{4}}<{{L}_{3}}\]
  done clear
  C)
  \[{{L}_{4}}<{{L}_{3}}<{{L}_{2}}<{{L}_{1}}\]            
  done clear
  D)
  \[{{L}_{1}}<{{L}_{3}}<{{L}_{2}}<{{L}_{4}}\]
  done clear
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• question_answer10) For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl methodand the evolved ammonia was absorbed in 60 mL of\[\frac{M}{10}\]sulphuric acid. The unreacted acid required 20 mL of \[\frac{M}{10}\]sodium hydroxide for complete neutralization. The percentage of nitrogenin the compound is :   JEE Main  Solved  Paper-2014
  A)
  3 %                                        
  done clear
  B)
   5 %
  done clear
  C)
  6 %                                        
  done clear
  D)
  10 %
  done clear
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• question_answer11) The equivalent conductance of NaCl at concentration C and at infinite dilution are \[{{\lambda }_{C}}\] and \[{{\lambda }_{\infty }}\]respectively. The correct relationship between \[{{\lambda }_{C}}\] and \[{{\lambda }_{\infty }}\]is given as : (where the constant B is positive)   JEE Main  Solved  Paper-2014
  A)
  \[{{\lambda }_{C}}={{\lambda }_{\infty }}-(B)\sqrt{C}\] 
  done clear
  B)
  \[{{\lambda }_{C}}={{\lambda }_{\infty }}+(B)\sqrt{C}\]
  done clear
  C)
  \[{{\lambda }_{C}}={{\lambda }_{\infty }}+(B)C\]             
  done clear
  D)
  \[{{\lambda }_{C}}={{\lambda }_{\infty }}-(B)C\]
  done clear
  View Answer play_arrow

• question_answer12) For the reaction \[S{{O}_{2}}_{(g)}+\frac{1}{2}{{O}_{2(g)}}S{{O}_{3(g)}}\]if \[{{K}_{P}}={{K}_{C}}{{(RT)}^{x}}\] where the symbols have usual meaning then the value of x is : (assuming ideality)   JEE Main  Solved  Paper-2014
  A)
  \[\frac{1}{2}\]                                   
  done clear
  B)
  1
  done clear
  C)
  -1                                           
  done clear
  D)
  \[-\frac{1}{2}\]
  done clear
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• question_answer13) In the reaction, \[C{{H}_{3}}COOH\xrightarrow[{}]{LiAl{{H}_{4}}}A\xrightarrow[{}]{PC{{l}_{5}}}B\xrightarrow[{}]{Alc.KOH}C,\]the product C is :   JEE Main  Solved  Paper-2014
  A)
  Ethylene             
  done clear
  B)
   Acetyl chloride
  done clear
  C)
  Acetaldehyde   
  done clear
  D)
  Acetylene
  done clear
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• question_answer14) Sodium phenoxide when heated with \[C{{O}_{2}}\]under pressure at \[125{}^\circ C\] yields a product which on acetylation produces C. The major product C would be :   JEE Main  Solved  Paper-2014
  A)
   
  done clear
  B)
  
  done clear
  C)
     
  done clear
  D)
  
  done clear
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• question_answer15) On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, theorganic compound formed is :   JEE Main  Solved  Paper-2014
  A)
  an alkyl cyanide
  done clear
  B)
  an alkyl isocyanide
  done clear
  C)
  analkanol
  done clear
  D)
  analkanediol
  done clear
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• question_answer16) The correct statement for the molecule, \[Cs{{I}_{3}},\]is :   JEE Main  Solved  Paper-2014
  A)
  it contains \[C{{s}^{3+}}\]and \[{{I}^{-}}\] ions.
  done clear
  B)
  it contains \[C{{s}^{+}},{{I}^{-}}\]and lattice \[{{I}_{2}}\] molecule.
  done clear
  C)
  it is a covalent molecule.
  done clear
  D)
  it contains \[C{{s}^{+}}\]and \[I_{3}^{-}\]ions.
  done clear
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• question_answer17) The equation which is balanced and represents the correct product(s) is :   JEE Main  Solved  Paper-2014
  A)
  \[{{[Mg{{({{H}_{2}}O)}_{6}}]}^{2+}}+{{(EDTA)}^{4-}}\xrightarrow[{}]{excessNaOH}{{[Mg(EDTA)]}^{2}}+6{{H}_{2}}O\]
  done clear
  B)
  \[CuS{{O}_{4}}+4KCN\to {{K}_{2}}[Cu{{(CN)}_{4}}]+{{K}_{2}}S{{O}_{4}}\]
  done clear
  C)
  \[L{{i}_{2}}+2KCl\to 2LiCl+{{K}_{2}}O\]
  done clear
  D)
  \[[CoCl{{(N{{H}_{3}})}_{5}}]++5{{H}^{+}}\to C{{o}^{2+}}+5NH_{4}^{+}+C{{l}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer18) For which of the following molecule significant \[\mu \ne 0?\]           JEE Main  Solved  Paper-2014

  (i)
  (ii)
  (iii)
  (iv)

  A)
  \[Only (iii)\]
  done clear
  B)
  \[(iii) and (iv)\]
  done clear
  C)
  \[Only (i)\]
  done clear
  D)
  \[(i) and (ii)\]
  done clear
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• question_answer19) For the non-stoichiometrereaction \[2A+B\to C+D,\]the following kinetic data were obtained inthree separate experiments, all at 298 K.

  Initial concentration (A)	Initial Concentration (B)	Initial rate of formation of C \[(mol\,{{L}^{-}}{{S}^{-}})\]
  \[0.1M\]	\[0.1M\]	\[1.2\times {{10}^{-3}}\]
  \[0.1M\]	\[0.2M\]	\[1.2\times {{10}^{-3}}\]
  \[0.2M\]	\[0.1M\]	\[2.4\times {{10}^{-3}}\]

  The rate law for the formation of C is : JEE Main  Solved  Paper-2014
  A)
  \[\frac{dc}{dt}=k[A]{{[B]}^{2}}\]              
  done clear
  B)
  \[\frac{dc}{dt}=k[A]\]
  done clear
  C)
  \[\frac{dc}{dt}=k[A][B]\]             
  done clear
  D)
  \[\frac{dc}{dt}=k{{[A]}^{2}}[B]\]
  done clear
  View Answer play_arrow

• question_answer20) Which series of reactions correctly represents chemical relations related to iron and itscompound?   JEE Main  Solved  Paper-2014
  A)
  \[Fe\xrightarrow[{}]{C{{l}_{2}}.heat}FeC{{l}_{3}}\xrightarrow[{}]{heat,air}FeC{{l}_{2}}\xrightarrow[{}]{Zn}Fe\]
  done clear
  B)
  \[Fe\xrightarrow[{}]{{{O}_{2}},heat}F{{e}_{3}}{{O}_{4}}\xrightarrow[{}]{CO,{{600}^{o}}C}FeO\xrightarrow[{}]{CO,{{700}^{o}}C}Fe\]
  done clear
  C)
  \[Fe\xrightarrow[{}]{dil\,{{H}_{2}}S{{O}_{4}}}FeS{{O}_{4}}\xrightarrow[{}]{{{H}_{2}}S{{O}_{4}},{{O}_{2}}}F{{e}_{2}}{{(S{{O}_{4}})}_{3}}\xrightarrow[{}]{heat}Fe\]
  done clear
  D)
  \[Fe\xrightarrow[{}]{{{O}_{2}},heat}FeO\xrightarrow[{}]{dil\,{{H}_{2}}S{{O}_{4}}}FeS{{O}_{4}}\xrightarrow[{}]{heat}Fe\]
  done clear
  E)
  done clear
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• question_answer21) Considering the basic strength of amines in aqueous solution, which one has the smallest \[\text{p}{{\text{K}}_{\text{b}}}\]value?   JEE Main  Solved  Paper-2014
  A)
  \[{{(C{{H}_{3}})}_{3}}N\]                             
  done clear
  B)
  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  C)
  \[{{(C{{H}_{3}})}_{2}}NH\]          
  done clear
  D)
  \[C{{H}_{3}}N{{H}_{2}}\]
  done clear
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• question_answer22) Which one of the following bases is not present in DNA?   JEE Main  Solved  Paper-2014
  A)
  Cytosine                             
  done clear
  B)
  Thymine
  done clear
  C)
  Quinoline           
  done clear
  D)
  Adenine
  done clear
  View Answer play_arrow

• question_answer23) The correct set of four quantum numbers for the valence electrons of rubidium atom (Z = 37) is :   JEE Main  Solved  Paper-2014
  A)
  \[5,1,1,+\frac{1}{2}\]                     
  done clear
  B)
  \[5,0,1,+\frac{1}{2}\]
  done clear
  C)
  \[5,0,0,+\frac{1}{2}\]     
  done clear
  D)
  \[5,1,0,+\frac{1}{2}\]
  done clear
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• question_answer24) The major organic compound formed by the reaction of 1, 1, 1 − trichloroethane with silver powder is :   JEE Main  Solved  Paper-2014
  A)
  2 - Butyne                         
  done clear
  B)
  2 - Butene
  done clear
  C)
  Acetylene                          
  done clear
  D)
  Ethene
  done clear
  View Answer play_arrow

• question_answer25) Given below are the half − cell reaction : \[M{{n}^{2+}}+2{{e}^{-}}\to Mn;{{E}^{o}}=-1.18V\] \[2(M{{n}^{3+}}+{{e}^{-}}\to M{{n}^{2+}});{{E}^{o}}=+1.51V.\] The \[E{}^\circ \]for \[3M{{n}^{2+}}\to Mn+2M{{n}^{3+}}\]will be   JEE Main  Solved  Paper-2014
  A)
  0.33 V ; the reaction will not occur
  done clear
  B)
  −0.33 V ; the reaction will occur
  done clear
  C)
  −2.69 V ; the reaction will not occur
  done clear
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• question_answer26) The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is 1 : 4. The ratio ofnumber of their molecule is :   JEE Main  Solved  Paper-2014
  A)
  1 : 8                                       
  done clear
  B)
  3 : 16
  done clear
  C)
  1 : 4                                       
  done clear
  D)
  7 : 32
  done clear
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• question_answer27) Which one is classified as a condensation polymer?   JEE Main  Solved  Paper-2014
  A)
  Teflon                  
  done clear
  B)
  Acrylonitrile
  done clear
  C)
  Dacron                 
  done clear
  D)
  Neoprene
  done clear
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• question_answer28) Among the following oxoacids, the correct decreasing order of acid strength is :   JEE Main  Solved  Paper-2014
  A)
  \[HCl{{O}_{4}}>HCl{{O}_{3}}>HCl{{O}_{2}}>HOCl\]
  done clear
  B)
  \[HCl{{O}_{2}}>HCl{{O}_{4}}>HCl{{O}_{3}}>HOCl\]
  done clear
  C)
  \[HOCl>HCl{{O}_{2}}>HCl{{O}_{3}}>HCl{{O}_{4}}\]
  done clear
  D)
  \[HCl{{O}_{4}}>HOCl>HCl{{O}_{2}}>HCl{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer29) For complete combustion of ethanol, \[{{C}_{2}}{{H}_{5}}OH(\ell )+3{{O}_{2}}(g)\to 2C{{O}_{2}}(g)+3{{H}_{2}}O(\ell ),\]the amount ofheat produced as measured in bomb calorimeter, is \[1364.47\,\text{kJ}\,\text{mo}{{\text{l}}^{-1}}\] at \[25{}^\circ C\]. Assuming ideality theEnthalpy of combustion, \[\Delta \text{cH,}\] for the reaction will be : \[(\text{R = 8}\text{.314 kJ mo}{{\text{l}}^{\text{-1}}})\]   JEE Main  Solved  Paper-2014
  A)
   \[\text{-1460}\text{.50 kJ mo}{{\text{l}}^{\text{-1}}}\] 
  done clear
  B)
   \[\text{-1350}\text{.50 kJ mo}{{\text{l}}^{\text{-1}}}\]
  done clear
  C)
  \[\text{-1366}\text{.95 kJ mo}{{\text{l}}^{\text{-1}}}\]  
  done clear
  D)
   \[\text{-1361}\text{.95 kJ mo}{{\text{l}}^{\text{-1}}}\]
  done clear
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• question_answer30) The most suitable reagent for the conversion of \[R-C{{H}_{2}}-OH\to R-CHO\] is :   JEE Main  Solved  Paper-2014
  A)
  \[Cr{{O}_{3}}\]
  done clear
  B)
  PCC (PyridiniumChlorochromate)
  done clear
  C)
  \[KMn{{O}_{4}}\]                            
  done clear
  D)
  \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
  done clear
  View Answer play_arrow