Question

Ketone on reduction with LiAlH4

/ H2O gives -

A. Primary alcohol B. Secondary alcohol

C. Tertiary alcohol D. Alkane​

Answer 1

Answer:

Addition of LiAlH4 to ketones to give secondary alcohols and H2O gives also secondary alcohol.

Explanation:

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Answer 2

OPTION B. IS CORRECT.

B. SECONARY ALCOHOL.

Explanation:

• Lithium aluminum hydride ($LiAlH_{4}$) is a strong reducing agent.
• It can reduce aldehydes, ketones, carboxylic acids, esters, acid chlorides, amides etc.
• It reduces the aldehydes, ketones, carboxylic acids, esters to alcohols.
• The ketones contain the C=O group between two carbon atoms, so on reduction it will form a secondary alcohol as the OH group will get attached to a carbon surrounded by 2 carbon atoms.
• Therefore, option B. secondary alcohol is correct.