Which of the following carbocations is expected to be most stable ?
As we learnt that
Negative mesomeric effect -
Decreases electron density at ortho and para position
- wherein
Group showing -M are meta directing
More stable due to less e- withdrawing effect of -NO2
Option 1)
This is correct.
Option 2)
This is incorrect.
Option 3)
This is incorrect.
Option 4)
This is incorrect.