A compound with 8 σ bonds and 1 π bond has the formula C₄H₈. Which carbon has a bond angle closest to 120°?
CH₃CH=CHCH₃ fits C₄H₈ with 8 σ and 1 π. The second carbon (CH=) is sp², with a 120° angle.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Fundamental Concepts - Reaction Mechanism - Fission and Reaction Intermediates