Which reaction is expected to be faster, addition of HBr to cyclohexene or to 1-methylcyclohexene is to be stated. Concept introduction: The addition of hydrogen halides to alkenes takes place through the formation of a more stable carbocation intermediate by the attack of the Ï€ electrons of the double bond on the positively polarized hydrogen of the hydrogen halide. The halogen is eliminated as a halide ion. In the second step, the halide ion reacts with the carbocation to yield the product. To state: Among the two reactions, the addition of HBr to cyclohexene and addition of HBr to 1-merhylcyclohexene which is faster.

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My question is whether HI adds to both double bonds, and if it doesn't, why not?

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Chapter 8.SE, Problem 45AP

Interpretation Introduction

Interpretation:

Which reaction is expected to be faster, addition of HBr to cyclohexene or to 1-methylcyclohexene is to be stated.

Concept introduction:

The addition of hydrogen halides to alkenes takes place through the formation of a more stable carbocation intermediate by the attack of the Ï€ electrons of the double bond on the positively polarized hydrogen of the hydrogen halide. The halogen is eliminated as a halide ion. In the second step, the halide ion reacts with the carbocation to yield the product.

To state:

Among the two reactions, the addition of HBr to cyclohexene and addition of HBr to 1-merhylcyclohexene which is faster.

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My question is whether HI adds to both double bonds, and if it doesn't, why not?

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