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Di-t-butyl ether is prepared best by the...

`Di-t-`butyl ether is prepared best by the reaction

A

`(CH_(3))_(2)C=CH_(2)overset(Conc.)underset(H_(2)SO_(4))(rarr)overset((CH_(3))_(3)COH)(rarr)`

B

`underset(("Vapor"))((CH_(3))_(3))C-Ohoverset(Al_(2)O_(3))underset(240^(@)C)(rarr)`

C

`(CH_(3))_(3)C-OHoverset(H_(2)SO_(4))underset(140^(@)C)(rarr)`

D

`(CH_(3))_(3)C-Br+(CH_(3))_(3)COKrarr`

Text Solution

Verified by Experts

The correct Answer is:
A

`(CH_(3))_(3)C-underset(H)underset(|)overset(+)(O)-C(CH_(3))_(3)overset(-H^(+))(rarr)underset(Di-t-butyl ether)((CH_(3))_(3)C-underset(..)(ddotO)-C(CH_(3))_(3))`
This reaction gives good yields due to the formation of `a 3^(@)` carbocation. other reactions mainly yield alkenes isobutylene, `9CH_(3))_(2)C=CH_(2)`, through elimination.
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