Question

Allyl isocyanide has:

• A. $9$ sigma and $4$ pi bonds
• B. $8$ sigma and $5$ pi bonds
• C. $8$ sigma, $3$ pi and $4$ non-bonded electrons
• D. $9$ sigma, $3$ pi and $2$ non-bonded electrons

Answer 1

The correct option is D $9$ sigma, $3$ pi and $2$ non-bonded electrons

Single bond has 1 sigma bond, double bond has a sigma and a pi bond and triple bond has 2 pi and 1 sigma bond.