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When 3,3-Dimethyl -2-butanol is heated with H2SO4 , the major product obtained is

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By Expert Faculty of Sri Chaitanya
a
3,3-Dimethyl-1-butene
b
2,3-Dimethyl-2-butene
c
2,3-Dimethyl-1-butene
d
cis and trans− isomers of (b)

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detailed solution

Correct option is B

Secondary and tertiary alcohols dehydrated under milder conditions Formation of carbocation is rate determining step of reaction, generally prefers to form more substituted carbocation The product is formed through rearrangement of the intermediate carbocation.


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CH3CH2CH2OHXCH3CH=CH2;  The reagent ‘X’ is

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