Question

Allene $(C_3H_4)$ contains

• A. one triple and two double bonds
• B. two double and four single bonds
• C. two triple and one double bonds
• D. one double and one triple bond

Answer 1

Answer: (B)

two double and four single bonds

Answer 2

Allene, $(C_{3}H_{4}) : H_{2}C = C= CH_{2}$
Double bonds =$2$
Single bonds = $4$