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KVPY Sample Paper KVPY Stream-SX Model Paper-18

  • question_answer
    A mixture of benzaldehyde and formaldehyde on heating with aqueous \[NaOH\]solution gives

    A) benzyl alcohol and sodium format

    B) sodium benzoate and methyl alcohol

    C) sodium benzoate and sodium format

    D) benzyl alcohol and methyl alcohol

    Correct Answer: A

    Solution :

    A mixture of benzaldehyde and formaldehyde on heating with aqueous \[NaOH\]solution gives benzyl alcohol and sodium formate. This reaction is known as Canizzaro reaction, where the formaldehyde gets oxidised to sodium format and benzaldehyde gets reduced to benzyl alcohol.


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