Question

The important use of the reaction between potassium cyanide and haloalkane is that...

• A. It adds nitrogen to the compound
• B. It extends the carbon chain by one carbon atom
• C. It reduces the number of carbon atoms in the chain
• D. It produces a stable and inert product

Answer 1

The correct option is B

It extends the carbon chain by one carbon atom

Cyanoalkane obtained on reduction gives derivative of alkane with one C atom more than originalhaloalkane