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JEE Main & Advanced Chemistry Aldehydes, Ketones Question Bank Properties

  • question_answer
    Which gives lactic acid on hydrolysis after reacting with HCN        [UPSEAT 2003; MP PMT 2003]

    A)                 \[HCHO\]            

    B)                 \[C{{H}_{3}}CHO\]

    C)                 \[{{C}_{6}}{{H}_{5}}CHO\]           

    D)                 \[C{{H}_{3}}COC{{H}_{3}}\]

    Correct Answer: B

    Solution :

    \[C{{H}_{3}}CHO\xrightarrow{HCN}C{{H}_{3}}CH(OH)\,CN\xrightarrow{2{{H}_{2}}O/{{H}^{+}}}\]\[C{{H}_{3}}CH(OH)\,COOH\]


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