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Predict the product 'B' in the sequence ...

Predict the product 'B' in the sequence of reaction `HC equiv CH overset (30% H_(2) SO_(4))underset(Hg SO_(4)) to A overset (NaOH) to B`

A

`CH_(3)`COONa

B

`CH_(3)` COOH

C

`CH_(3)`CHO

D

`CH_(3) - underset(OH) underset(|)(CH) - CH_(2)`CHO

Text Solution

Verified by Experts

The correct Answer is:
D
Oxymercuration of ethyne gas with `HgSO_(4)//H^(+)` gives ethanal which undergoes aldol condensation with NaOH to give `hat(a)`-hydroxybutanal
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Knowledge Check

  • Predict the product 'B' in the sequence of reaction HC = CH overset (30% H_(2) SO_(4))underset(Hg So_(4)) to A overset (NaOH) to B

    A
    `CH_(3) COONa`
    B
    `CH_(3) COOH`
    C
    `CH_(3) CHO`
    D
    `CH_(3) - CH = CH - CHO`

  • Predict the product 'B' in the sequence of reaction , HC-=Chunderset(HgSO_(4))overset(30%H_(2)SO_(4))toA overset(NaOH)to B.

    A
    `CH_(3)COONa`
    B
    `CH_(3)COOH`
    C
    `CH_(3)CHO`
    D
    `CH_(3)-underset(OH)underset(|)CH-CH_(2)CHO`

  • Predict the product 'B' in the sequence of reaction CH-=CHunderset(HgSO_(4))overset(30%G_(2)SO_(4))rarrAunderset(10^(@)C)overset(30% H_(2)SO_(4))rarrB

    A
    `CH_(3)COONa`
    B
    `CH_(3)COOH`
    C
    `CH_(3)CHO`
    D
    `CH_(3)-underset(OH)underset(|)CH-CH_(2)-CHO`

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