Question

In which of the following molecules, 2π bonds are present?

विकल्प

• C₂H₆

• C₂H₄

• C₂H₂

• C₃H₆

Answer 1

C₂H₂ 

Explanation:

1. CH₃ - CH₃
   (C₂H₆)
   (No π bond)
2. CH₂ = CH₂
   (C₂H₄)
   (1 - π bond)
3. CH ≡ CH
   (C₂H₂)
   (2 - π bond)
4. CH₃ - CH = CH₂
   (C₂H₆)
   (1 - π bond)