DPP – 11GOC4 RESONANCE OR MESOMERIC EFFECT Leave a Comment / By Jai Sir / 03/01/2025 1. What is the difference between +R and – R effects? 2. Draw the resonance structure of the following and also mention the type of R effect:1. CH2 = CH-Cl2. CH3-CH = CH-CHO3. CH3-CH = CH-CH2 +4. 5. 6. 7. 8. 9. 10. 11.