Question

Hyperconjugation is.

• A. $\sigma - \pi$ conjugation.
• B. Noticed due to delocalization of $\sigma$ and $\pi$ bonds.
• C. No bond resonance.
• D. All the above.

Answer 1

Answer: (D)

All the above.

Answer 2

: Hyperconjugation involves conjugation of $\sigma$ electrons of C – H bond and $\pi$ - bonds. It is also known as no – bond resonance.