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

  • question_answer
    Which of the following on oxidation followed by hydrolysis gives pyruvic acid?

    A) Acetaldehyde cyanohydrin

    B) Acetone cyanohydrin

    C) Formaldehyde cyanohydrin

    D) None of these

    Correct Answer: A

    Solution :

    [a] \[\underset{Acetaldehyde\text{ }cyanohydrin}{\mathop{C{{H}_{3}}\overset{OH}{\mathop{\overset{|}{\mathop{C}}\,}}\,HCN}}\,~\xrightarrow{[O]}C{{H}_{3}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-CN\]   \[\xrightarrow{{{H}^{+}},{{H}_{2}}O}C{{H}_{3}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-COOH\]


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