EAMCET Medical EAMCET Medical Solved Paper-1997

  • question_answer
    Ethyl chloride on heating with silver cyanide forms a compound X. The functional isomer of X is:

    A)  \[{{C}_{2}}{{H}_{5}}NC\]                             

    B)  \[{{C}_{2}}{{H}_{5}}CN\]

    C)  \[{{H}_{3}}C-NH-C{{H}_{3}}\]    

    D)  \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]

    Correct Answer: B

    Solution :

                     Ethyl chloride with AgCN forms ethyl isocyanide. The functional isomer of ethyl isocyanide is ethyl cyanide. \[{{C}_{2}}{{H}_{5}}Cl+AgCN\xrightarrow{{}}\underset{\text{Ethyl}\,\text{isocyanide}}{\mathop{{{C}_{2}}{{H}_{5}}NC}}\,+AgCl\] \[{{C}_{2}}{{H}_{5}}NC\](ethyl isocyanide) \[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{CN}\] (ethyl cyanide) functional isomer


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