The end product B in the sequence of reactions

R- \times\overset{CN^{-}}{\rightarrow}A\overset{NaOH}{\rightarrow}B    is:

  • Option 1)

    An alkene

  • Option 2)

    A carboxylic Acid

  • Option 3)

    Sodium Salt of Carboxylic Acid

  • Option 4)

    A ketone

 

Answers (1)
P Plabita

As we learnt in

Hydrolysis of nitriles (cyanides) -

Nitriles on heating with acid or base yield carboxylic acid via amides as intermediate.

- wherein

RX+NaCN\rightarrow RCN\overset{(+H_{2}O)}{\rightarrow}RCONH_{2}\rightarrow RCOOH

 

 

Rx\xrightarrow{}{CN^{-}}RCN\xrightarrow{NaOH}RCOONa


Option 1)

An alkene

Incorrect

Option 2)

A carboxylic Acid

Incorrect

Option 3)

Sodium Salt of Carboxylic Acid

correct

Option 4)

A ketone

Incorrect

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