Q. In which of the following molecules, the resonance effect is not present?
A) [image:12_image246.emf]
B) [image:12_image247.emf]
C) [image:12_image248.emf]
D) [image:12_image249.emf]
Explanation
(b)
If positive charge is present on nitrogen then positive charge will not be in conjugation to the ring because in this case nitrogen will become pentavalent
[image:12_image490.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.