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Which of the following statements is not correct?

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a

The addition of water to the carbon-carbon double bond via hydroboration-oxidation process does not involve any rearrangement of carbon skeleton.

b

The rearrangement of carbon skeleton may occur during the conversion of alcohol into alkene.

c

The rearrangement of carbon skeleton may occur during the conversion of alcohol into alkyl halide.

d

The cleavage of carbon-oxygen bond in alcohols is not catalyzed in the presence of an acid.

answer is D.

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Detailed Solution

(b) This is because of the formation of carbocation as the intermediate.

(c) This is because of the formation of carbocation as the intermediate.

(d) In the presence of an acid, alcohol gives protonated alcohol. the latter readily loses the weakly basic water molecule leaving behind the carbocation. The unprotonated alcohol would have to lose the strongly basic hydroxide ion, which difficult to take place.

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Which of the following statements is not correct?