formation of alcohols from carbonyl compounds.
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Explanation:
Carbonyl compounds such as aldehydes and ketones can be reduced to alcohols by using reducing agents such as lithium aluminium hydride etc . Aldehyde always form primary alcohols while ketone form secondary alcohol.
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Answer:
Addition to a carbonyl by a semi-anionic hydride, such as NaBH4, results in conversion of the carbonyl compound to an alcohol. The hydride from the BH4- anion acts as a nucleophile, adding H- to the carbonyl carbon. A proton source can then protonate the oxygen of the resulting alkoxide ion, forming an alcohol.
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