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Give the mechanism of cynohydrin formation …

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Give the mechanism of cynohydrin formation when acetaldehyde react with HCN in the presence of NaOH.

    • Posted by Adithya Deekonda 3 years, 9 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Omdeep Dagur 3 years, 9 months ago

    Base reacts with HCN to form CN− ion. B+HCN→BH++CN− CN− ion acts as nucleophile and attacks carbonyl carbon CN−+R−O∣∣​C​−R′→R−O−​∣​C​(−R′)−CN The anion thus formed accepts a proton from water to form cyanohydrin. H2​O+R−O−​∣​C​(−R′)−CN→R−OH∣​C​(−R′)−CN+OH

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