Answer :
Final answer:
The preparation of 2-methyl-hexan-2-ol from a Grignard reagent involves reacting the Grignard reagent with 2-methyl-hexanal. This nucleophilic addition forms an alkoxide intermediate which, when protonated, produces the desired alcohol.
Explanation:
To prepare 2-methyl-hexan-2-ol from a Grignard reagent, the correct answer is to react the Grignard reagent with 2-methyl-hexanal. Grignard reagents react with carbonyl compounds, such as aldehydes and ketones, to produce alcohols. The reaction involves the nucleophilic addition of the Grignard reagent to the carbonyl carbon of the aldehyde or ketone. This forms an alkoxide intermediate, which is then protonated in the presence of acid to yield the final alcohol product.
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