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Chapter 9: Q26P (page 421)

Four alkenes are formed from the E1 reaction of 3-bromo-2,3-dimethylpentane and methoxide ion. Draw the structures of the alkenes and rank them according to the amount that would be formed.

Short Answer

Expert verified

1. It is a two step reaction.

2. In this carbocation is formed.

3. In this negative ion will attack from the side where there is less number of bulkier groups.

4. As the carbocation intermediate is formed so the stability order 3掳 carbocation>2掳 carbocation>1掳 carbocation

Step by step solution

01

How SN1 reaction proceed

1. It is a two step reaction.

2. In this carbocation is formed.

3. In this negative ion will attack from the side where there is less number of bulkier groups.

4. As the carbocation intermediate is formed so the stability order 3掳 carbocation>2掳 carbocation>1掳 carbocation

02

Final answer

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