Ketones react with NaBH₄ to produce:
Correct answer: B. Secondary alcohol
- A. Primary alcohol
- B. Secondary alcohol
- C. Tertiary alcohol
- D. Alkenes
Explanation
Sodium borohydride (NaBH₄) is a common reducing agent that delivers a hydride ion (H⁻) to the carbonyl carbon. The reduction of a ketone results in the formation of a secondary alcohol.
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About Aldehydes and Ketones
Aldehydes and ketones contain the polar carbonyl group, but aldehydes are generally more readily oxidised and more reactive than ketones. Coverage includes preparation by oxidation or reduction routes, nucleophilic addition of reagents such as hydrogen cyanide and bisulfite, and tests that distinguish aldehydes from ketones.
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