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What happens when an aldehyde is treated with lithium aluminium hydride?

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in Chemistry – Class 12 by (188k points)
What happens when an aldehyde is treated with lithium aluminium hydride?

(a) Primary alcohol is formed

(b) Secondary alcohol is formed

(c) Tertiary alcohol is formed

(d) No reaction

This question was posed to me in an interview for internship.

My question is from Alcohols and Phenols topic in portion Alcohols, Phenols and Ethers of Chemistry – Class 12

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The correct answer is (a) Primary alcohol is formed

Easy explanation: LiAlH4 acts as a reducing agent which reduces an aldehyde by adding hydrogen atoms to it result in the formation of a primary alcohol.

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