Which of the following are electrophile (a) SO3 (b) -COCH3 (c) H3O + (d) (CH3)4 N+ Which of the following are electrophile (a) SO3 (b) -COCH3 (c) H3O + (d) (CH3)4 N+ December 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,