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NEET Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Self Evaluation Test - Haloalkanes and Haloarenes

  • question_answer
    Identify Z in the following serie's \[{{C}_{2}}{{H}_{5}}\xrightarrow{Alc.KOH}X\xrightarrow{B{{r}_{2}}}Y\xrightarrow{KCN}Z\]

    A) \[C{{H}_{3}}C{{H}_{2}}CN\]             

    B) \[NCC{{H}_{2}}-C{{H}_{2}}CN\]

    C) \[BrC{{H}_{2}}-C{{H}_{2}}CN\]

    D) \[BrCH=CHCN\]

    Correct Answer: B

    Solution :

    [b] \[{{C}_{2}}{{H}_{5}}I\xrightarrow{alc.\,KOH}C{{H}_{2}}=C{{H}_{2}}\xrightarrow{B{{r}_{2}}}\] \[BrC{{H}_{2}}-C{{H}_{2}}Br\xrightarrow{KCN}CNC{{H}_{2}}.C{{H}_{2}}CN\]


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