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SN1 Reaction Mechanism

The hydrolysi...

Question

The hydrolysis of 2-bromo-3-methyl butane by $S_{N} 1$ mechanism gives mainly:

A

3-Methyl-2-butanol

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B

2-Methyl-2-butanol

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C

2,2-Dimethyl-1-propanol

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D

2-Methyl-1-butanol

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Solution

The correct option is B 2-Methyl-2-butanol
The hydrolysis of 2-bromo-3-methyl butane by $S_{N} 1$ mechanism gives mainly 2-methyl-2-butanol.

During reaction, less stable secondary carbocation rearranges to more stable tertiary carbocation.

Option B is correct.

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Similar questions

Q. 2-methylbutane on reaction with

B r_{2}

in sunlight gives (A) as the major product.
(A) is:

Q. Choose the member of the given pair that will react faster by

S_{N} 1

2

2

-methylbutane or

2

3

-methyl butane:

Q. I.U.P.A.C. name of

(C H_{3})_{2} C H - C H_{2} - C H_{2} B r

Q. A mixture of two alcohols

3 -

- 1 -

2 -

- 1 -

butanol, given chiefly

2 -

- 2 -

butene when dehydrated with acid.

2 -

- 2 -

butene is converted into

2 -

- 2 -

butanol with approximately 90% yield by treatment with 50% aqueous solution of sulphuric acid at

0^{\circ}

C. Write equation showing mechanism of conversions.

The IUPAC name of the compound $(C H_{3})_{2} C H C H_{2} C H_{2} C l$ is

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