JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Properties of Halogen Containing Compounds

  • question_answer
    Treatment of ammonia with excess of ethyl chloride will yield [AIIMS 1992]

    A) Diethyl amine

    B) Ethane

    C) Tetraethyl ammonium chloride

    D) Methyl amine

    Correct Answer: C

    Solution :

               \[{{C}_{2}}{{H}_{5}}Cl\xrightarrow{N{{H}_{3}}}{{C}_{2}}{{H}_{5}}-N{{H}_{2}}\xrightarrow{{{C}_{2}}{{H}_{5}}Cl}{{({{C}_{2}}{{H}_{5}})}_{2}}-NH\]\[\xrightarrow{{{C}_{2}}{{H}_{5}}Cl}{{({{C}_{2}}{{H}_{5}})}_{3}}N\xrightarrow{{{C}_{2}}{{H}_{5}}Cl}\underset{\text{Tetraethyl}\,\text{ammonium}\,\text{chloride}}{\mathop{{{\left[ {{C}_{2}}{{H}_{5}}-\underset{\underset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{\overset{\overset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{N\,-{{C}_{2}}{{H}_{5}}}}\,}}\, \right]}^{+}}C{{l}^{-}}}}\,\] If \[N{{H}_{3}}\] is in excess, then \[{{1}^{o}}\] amine will be the main product, if \[{{C}_{2}}{{H}_{5}}Cl\] is in excess then mixture of \[{{1}^{o}},{{2}^{o}},{{3}^{o}}\] and quaternary amine is obtained.


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