JEE Main & Advanced Chemistry Nitrogen Containing Compounds Question Bank

done Critical Thinking Nitrogen Total Questions - 23

• question_answer1)
  The compound      Forms nitro so amines when the substituents are  [Roorkee 1999]
  A)
                  \[{{R}_{1}}=C{{H}_{3}},\,{{R}_{2}}={{R}_{3}}=H\] done clear
  B)
                  \[{{R}_{1}}={{R}_{2}}=H,\,\,{{R}_{3}}={{C}_{2}}{{H}_{5}}\] done clear
  C)
                  \[{{R}_{1}}=H,\,\,{{R}_{2}}={{R}_{3}}=C{{H}_{3}}\] done clear
  D)
                  \[{{R}_{1}}=C{{H}_{3}},\,\,{{R}_{2}}={{C}_{2}}{{H}_{5}},\,\,{{R}_{3}}=H\] done clear
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• question_answer2)
  The action of nitrous acid on ethyl amine gives [DPMT 1982; CPMT 1971, 89, 94; MP PET 1993, 2001; RPMT 1997; Pb. PMT 1999]
  A)
                  Ethane  done clear
  B)
                  Ammonia done clear
  C)
                  Ethyl acohol        done clear
  D)
                  Nitroethane done clear
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• question_answer3)
  Aniline when diazotized in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be                                 [CBSE PMT 2004]
  A)
                  done clear
  B)
                  done clear
  C)
                  done clear
  D)
                  done clear
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• question_answer4)
  Indicate which nitrogen compound amongst the following would undergo Hofmann's reaction (i.e. reaction with \[B{{r}_{2}}\] and strong KOH) to furnish the primary amine (\[R-N{{H}_{2}}\]) [CBSE PMT 1989]
  A)
                  \[R-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-NH.C{{H}_{3}}\]          done clear
  B)
                  \[R-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O.N{{H}_{4}}\] done clear
  C)
                  \[R-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-N{{H}_{2}}\] done clear
  D)
                  \[R-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-NHOH\] done clear
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• question_answer5)
           [BHU 1995]
  A)
              done clear
  B)
    done clear
  C)
    done clear
  D)
    done clear
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• question_answer6)
  The correct order of basicity?s of the following compounds is \[\underset{4}{\mathop{C{{H}_{3}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-N{{H}_{2}}}}\,\]                        [IIT-JEE (Screening) 2001]
  A)
                  \[2>1>3>4\]       done clear
  B)
                  \[1>3>2>4\] done clear
  C)
                  \[3>1>2>4\]       done clear
  D)
                  \[1>2>3>4\] done clear
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• question_answer7)
  Which of the following would be most reactive towards nitration              [AMU 2000; UPSEAT 2002]
  A)
                  Benzene              done clear
  B)
                  Nitro benzene done clear
  C)
                  Toluene               done clear
  D)
                  Chloro benzene done clear
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• question_answer8)
  Aniline reacts with  acetaldehyde to form [MHCET 2004; AFMC 2004]
  A)
                  Schiff's base       done clear
  B)
                  Carbylamine done clear
  C)
                  Immine                done clear
  D)
                  None of these done clear
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• question_answer9)
  p-chloroaniline and anilinium hydrochloride can be distinguished by                                        [IIT-JEE 1998]
  A)
                  Sandmeyer reaction       done clear
  B)
                  \[NaHC{{O}_{3}}\] done clear
  C)
                  \[AgN{{O}_{3}}\]              done clear
  D)
                  Carbylamine test done clear
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• question_answer10)
    In the above reaction 'X' stands for [CPMT 1986, 2001; MP PET 1992; KCET (Engg./Med.) 2000]
  A)
                  \[N{{H}_{2}}\]   done clear
  B)
                  \[SnC{{l}_{2}}\] done clear
  C)
                  Cl            done clear
  D)
                  \[NH_{4}^{+}C{{l}^{-}}\] done clear
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• question_answer11)
   \[+\,CHC{{l}_{3}}+KOH\to ?\]                 [BHU 2000; Pb. PMT 2000; Kerala 2003]
  A)
                  Phenyl isocyanide            done clear
  B)
                  Benzyl amine done clear
  C)
                  Benzyl chloride done clear
  D)
                  None of these done clear
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• question_answer12)
  The order of basic strength among the following amines in benzene solution is  [AIIMS 1991; RPMT 2002]
  A)
                  \[C{{H}_{3}}N{{H}_{2}}>{{(C{{H}_{3}})}_{3}}N>{{(C{{H}_{3}})}_{2}}NH\] done clear
  B)
                  \[{{(C{{H}_{3}})}_{2}}NH>C{{H}_{3}}N{{H}_{2}}>{{(C{{H}_{3}})}_{3}}N\] done clear
  C)
                  \[C{{H}_{3}}N{{H}_{2}}>{{(C{{H}_{3}})}_{2}}NH>{{(C{{H}_{3}})}_{3}}N\] done clear
  D)
                  \[{{(C{{H}_{3}})}_{3}}N>C{{H}_{3}}N{{H}_{2}}>{{(C{{H}_{3}})}_{2}}NH\] done clear
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• question_answer13)
  The refluxing of \[{{(C{{H}_{3}})}_{2}}NCOC{{H}_{3}}\] with acid gives [KCET 1996]
  A)
                  \[2C{{H}_{3}}N{{H}_{2}}+C{{H}_{3}}COOH\] done clear
  B)
                  \[2C{{H}_{3}}OH+C{{H}_{3}}COOH\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{2}}NH+C{{H}_{3}}COOH\] done clear
  D)
                  \[{{(C{{H}_{3}})}_{2}}NCOOH+C{{H}_{4}}\] done clear
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• question_answer14)
  Order of basicity of ethyl amines is          [MP PMT/PET 1988]
  A)
                  Secondary > Primary > Tertiary done clear
  B)
                  Primary > Secondary > Tertiary done clear
  C)
                  Secondary > Tertiary > Primary done clear
  D)
                  Tertiary > Primary > Secondary done clear
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• question_answer15)
  The following reaction is               [KCET 1996]
  A)
                  Nucleophilic substitution done clear
  B)
                  Electrophilic substitution done clear
  C)
                  Free radical substitution done clear
  D)
                  None of these done clear
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• question_answer16)
  \[RN{{H}_{2}}\] reacts with \[{{C}_{6}}{{H}_{5}}S{{O}_{2}}Cl\] in aqueous \[KOH\] to give a clear solution. On acidification a precipitate is obtained which is due to the formation of [Roorkee 2000]
  A)
                  \[R-\underset{H\,\,\,}{\overset{H\,\,}{\mathop{\underset{|\,\,\,\,}{\overset{|\,\,\,\,}{\mathop{{{N}^{+}}}}}\,}}}\,-S{{O}_{2}}{{C}_{6}}{{H}_{5}}O{{H}^{-}}\] done clear
  B)
                  \[R-{{N}^{-}}S{{O}_{2}}{{C}_{6}}{{H}_{5}}{{K}^{+}}\] done clear
  C)
                  \[R-NHS{{O}_{2}}{{C}_{6}}{{H}_{5}}\] done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}S{{O}_{2}}N{{H}_{2}}\] done clear
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• question_answer17)
  If N and S are present in an organic compound during Lassaigne test, then both changes into      [CPMT 1997]
  A)
                  \[N{{a}_{2}}S\] and \[NaCN\] done clear
  B)
                  NaSCN done clear
  C)
                  \[N{{a}_{2}}S{{O}_{3}}\] and NaCN done clear
  D)
                  \[N{{a}_{2}}S\] and NaCNO done clear
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• question_answer18)
  The strongest base among the following is [AIIMS 2004; BHU 2004]
  A)
                                    done clear
  B)
                  done clear
  C)
                    done clear
  D)
                  done clear
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• question_answer19)
  Nitroso amines \[({{R}_{2}}N-N=O)\] are soluble in water. On heating them with concentrated \[{{H}_{2}}S{{O}_{4}}\] they give secondary amines. The reaction is called               [AFMC 1998; AIIMS 1998; BHU 2002]
  A)
                  Perkin's reaction done clear
  B)
                  Fittig's reaction done clear
  C)
                  Sandmeyer's reaction done clear
  D)
                  Liebermann's nitroso reaction done clear
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• question_answer20)
  A primary amine is formed an amide by the treatment of bromine and alkali. The primary amine has :     [BHU 2004]
  A)
                  1 carbon atom less than amide done clear
  B)
                  1 carbon atom more than amide done clear
  C)
                  1 hydrogen atom less than amide done clear
  D)
                  1 hydrogen atom more than amide done clear
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• question_answer21)
  The structural formula of Indigo dye is : [DPMT 2004]
  A)
                  done clear
  B)
                  done clear
  C)
                  done clear
  D)
                  done clear
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• question_answer22)
  Which of the following is the strongest base ?    [AIEEE 2004]
  A)
                  done clear
  B)
                  done clear
  C)
                                       done clear
  D)
                  done clear
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• question_answer23)
  The following compound on hydrolysis in aqueous acetone will give
  A)
                  Mixture of (K) and (L)    done clear
  B)
                  Mixture of (K) and (M) done clear
  C)
                  Only (M) done clear
  D)
                  Only (K) done clear
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