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Question

Propene when reacted with water in the presence of dilute H2SO4 gives

A
Propan-1-ol
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B
Propan-2-ol
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C
2-Methylpropan-1-ol
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D
2-Methylpropan-2-ol
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Solution

The correct option is B Propan-2-ol
Since propene is an unsymmetrical alkene, the given hydration reaction takes place in accordance to Markovnikov’s rule, to form propan-2-ol. The double bond is broken and the OH group attaches at the second carbon.
The reaction is as follow:
CH3CH=CH2+H2Odil. H2SO4−−−−−CH3CH(OH)CH3

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