Question

a. When HBr adds to a conjugated diene, what is the rate-determining step?

b. When HBr adds to a conjugated diene, what is the product-determining step?

Short answer

a)Rate determining step is the formation of the carbocation.

b) The product determining step is the reaction of the carbocation with the nucleophile.

Step-by-step solution

How reaction proceed

Final answer

a)Rate determining step is the formation of the carbocation.

b) The product determining step is the reaction of the carbocation with the nucleophile. Here Br^-is the nucleophile.