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AIIMS AIIMS Solved Paper-2011

  • question_answer
    An organic compound X on treatment with pyridinium chloro chromate in dichloromethane gives compound T. Compound  Y reacts with \[{{I}_{2}}\] and alkali to form triiodomethane. The compound X is

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

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

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

    D)         \[C{{H}_{3}}COOH\]

    Correct Answer: A

    Solution :

    \[{{C}_{2}}{{H}_{5}}OH+[O]\frac{PCC}{In\,C{{H}_{2}}C{{l}_{2}}}\underset{(Y)}{\mathop{C{{H}_{3}}CHO}}\,\] \[\underset{(Y)}{\mathop{C{{H}_{3}}CHO}}\,+4NaOH+3{{I}_{2}}\xrightarrow{{}}\] \[\underset{\underset{triiodomethane}{\mathop{(yellow\,ppt.)}}\,}{\mathop{CH{{I}_{3}}}}\,+HCOONa+3{{H}_{2}}O+2NaI\]


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