Multiple choice Which of the following substituents are o,p-directing? - CHO - CCl3 - CH3 4. - NH2 Only 1 and 2 1, 2 and 3 Only 1 and 3 Only 2 and 4 Only 3 and 4 Reveal answer Fill a bubble to check yourself E Correct answer Explanation -CH3 is o,p-directing due to hyperconjugation. -NH2 is o,p -directing due to +R effect.