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NEET Chemistry Aldehydes, Ketones Question Bank Self Evaluation Test - Aldehydes, Ketons and Carboxylic Acids

  • question_answer
    Predict the product 'B' in the sequence of reactions \[HC\equiv CH\xrightarrow[(percent) HgS{{O}_{4}}]{30(percent){{H}_{2}}S{{O}_{4}}}A\xrightarrow[{}]{NaOH}B\]

    A) \[C{{H}_{3}}COONa\]

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

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

    D) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}-CHO\]

    Correct Answer: D

    Solution :

    [d] \[HC\equiv CH\xrightarrow[HgS{{O}_{4}}]{30(percent)HgS{{O}_{4}}}\underset{[A]}{\mathop{C{{H}_{3}}CHO}}\,\xrightarrow{NaOH}\] \[\underset{[B]}{\mathop{C{{H}_{3}}CHOHC{{H}_{2}}CHO}}\,\]


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