question_answer

What will be the order of reactivity of the following carbonyl compounds with Grignard's reagent?

A)                                                                                    I > II > III > IV                                     

B) IV > III > II > I

C)  II > I > IV > III

D) III > II > I > IV

Correct Answer: A

Solution :

As the number and the size of the alkyl groups increases, reactivity decreases. Hence, the reactivity order is