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The conversion of an amide by action of ...

The conversion of an amide by action of NaOH and` Br_(2)` to primary amine that has one carbon less than
the starting amide is known as Hofmann-Bromamide reaction.
`R-overset(O)overset(||)(C)-NH_(2) underset("or NaOBr")overset(Br_(2)+NaOH)to R-NH_(2)+NaBr+Na_(2)CO_(3)`

Number of moles of NaOH consumed in a above reaction :

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
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The conversion of an amide by reaction NaOH and Br_(2) to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide reaction. R-overset(O)overset(||)(C)-NH_(2) overset(Br_(2)+NaOH)underset(or NaOBr)rarr R-NH_(2)+NaBr +Na_(2)CO_(3) Mechanism:

The conversion of an amide by reaction NaOH and Br_(2) to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide reaction. R-overset(O)overset(||)(C)-NH_(2) overset(Br_(2)+NaOH)underset(or NaOBr)rarr R-NH_(2)+NaBr +Na_(2)CO_(3) Mechanism: Find X and Y:

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  • The conversion of an amide by action of NaOH and Br_(2) to primary amine that has one carbon less than the starting amide is known as Hofmann-Bromamide reaction. R-overset(O)overset(||)(C)-NH_(2) underset(orNaOBr)overset(Br_(2)+NaOH) rarr R-NH_(2)+NaBr+Na_(2)Co_(3) , Find out X :

    A
    B
    C
    D
    All of these

  • The conversion of an amide by action of NaOH and Br_(2) to primary amine that has one carbon less than the starting amide is known as Hofmann-Bromamide reaction. R-overset(O)overset(||)(C)-NH_(2) underset(orNaOBr)overset(Br_(2)+NaOH)rarr R-NH_(2)+NaBr+Na_(2)Co_(3) underset(Br)overset(NaOH)rarr X+Y Find X and Y:

    A
    B
    C
    D

  • The conversion of an amide by reaction NaOH and Br_(2) to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide reaction. R-overset(O)overset(||)(C)-NH_(2) overset(Br_(2)+NaOH)underset(or NaOBr)rarr R-NH_(2)+NaBr +Na_(2)CO_(3) Mechanism: Number of moles of NaOH consumed in above reaction:

    A
    1
    B
    2
    C
    3
    D
    4

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    Hoffmann bromamide reaction involves conversion of a carboxylic acid amide into an amine with a loss of a carbon atom on treatment with aqueous sodium hypobromite. Thus Hoffmann result in shortening of a carbon chain. R=overset(O)overset(||)C-NH_(2)underset(NaOH)overset(Br_(2))rarrR-NH_(2)+NaBr+Na_(2)CO_(3) Mechanism of the reaction is : Number of moles of NaOh consumed in above reaction.

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