CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2010

  • question_answer
    Which one of the following forms propane nitrile as the major product?

    A) Ethyl bromide + alcoholic \[KCN\]

    B) Propyl bromide + alcoholic \[KCN\]

    C) Propyl bromide + alcoholic \[AgCN\]

    D) Ethyl bromide + alcoholic \[AgCN\]

    Correct Answer: A

    Solution :

    When ethyl bromide reacts with alcoholic KCN, propane nitrile is obtained as main product.  \[{{C}_{2}}{{H}_{5}}Br+Alc.\,KCN\xrightarrow{{}}\underset{Propane\text{ }nitrile}{\mathop{{{C}_{2}}{{H}_{5}}CN}}\,\]


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