J & K CET Engineering J and K - CET Engineering Solved Paper-2009

  • question_answer
    Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution?

    A)  \[C{{H}_{2}}O\]

    B) \[{{C}_{6}}{{H}_{5}}COC{{H}_{3}}\]

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

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

    Correct Answer: B

    Solution :

     Acetophenone \[({{C}_{6}}{{H}_{5}}COC{{H}_{3}})\] does not give addition product with sodium bisulphite \[(NaHS{{O}_{3}})\] solution. This is because, two bulkier  groups are attached with the carbonyl carbon. These groups decrease the reactivity of carbonyl carbon.


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