Given
I and III
II and III
I, II and III
I and II
As we learnt in
Hyperconjugation or ?-? resonance or Baker and Nathan effect -
The conjugation between sigma bond and adjacent multiple bond or carbocation is called Hyperconjugation.
- wherein
It is permanent effect.
Option 1)
I and III
Correct
Option 2)
II and III
Incorrect
Option 3)
I, II and III
Incorrect
Option 4)
I and II
Incorrect