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ira [324]
3 years ago
13

Identify which of the following two reactions you would expect to occur more rapidly: (1) addition of HBr to 2-methyl-2-pentene

or (2) addition of HBr to 4-methyl-1-pentene. Explain your choice. Addition of HBr to should be more rapid because the reaction can proceed via a carbocation. In contrast, addition of HBr to proceeds via a less stable, carbocation.

Chemistry
1 answer:
arlik [135]3 years ago
3 0

Answer:

(1) addition of HBr to 2-methyl-2-pentene

Explanation:

In this case, we will have the formation of a <u>carbocation</u> for each molecule. For molecule 1 we will have a <u>tertiary carbocation</u> and for molecule 2 we will have a <u>secondary carbocation</u>.

Therefore the <u>most stable carbocation</u> is the one produced by the 2-methyl-2-pentene. So, this molecule would react faster than 4-methyl-1-pentene. (See figure)

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