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Nucleophilic Substitution in Alkyl Halides

Isobutyl magn...

Question

Isobutyl magnesium bromide with dry ether and absolute alcohol gives:

C H_{3} - C ∣ C H_{3} H - C H_{2} O H

and

C H_{3} C H_{2} M g B r

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C H_{3} - C ∣ C H_{3} H - C H_{2} - C H_{2} - C H_{3}

and

M g (O H) B r

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C H_{3} - C ∣ C H_{3} H - C H_{3}, C H_{2} = C H_{2}

and

M g (O H) B r

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C H_{3} - C ∣ C H_{3} H - C H_{3}

,and

C H_{3} C H_{2} O M g B r

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Solution

The correct option is D $C H_{3} - C ∣ C H_{3} H - C H_{3}$ ,and $C H_{3} C H_{2} O M g B r$
The reaction of isobutyl magnesium bromide with absolute alcohol in dry ether gives a mixture of isobutane and magnesium bromide ethanolate.

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C H \equiv C H

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S_{N} 2

K I

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(I) (I I)

C H_{3} - C H_{2} - C H_{2} - B r ∣ C H - C H_{3} a n d C H_{3} - C H_{3} ∣ C H - C H_{2} - B r ∣ C H - C H_{3}

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