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3,3-dimethylbutan-2-ol losses a molecule...

3,3-dimethylbutan-2-ol losses a molecule of water in the presence of concentrated sulphuric acid to give tertramethylethylene as a major product. Suggest a suitable mechanism.

Text Solution

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(i) Step is the protonation of hydroxyl group.

(iii) Step is the conversion of `2^(@)` carbocation to more stable `3^(@)` carbocation by 1,2-methyl shift.
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