Chemistry - Hydrocarbon Question with Solution | TestHub

Explain Question:

Question is asking about the reagents can be used to bring about the following transformation. Concept:

This question is based on Reduction of aldehyde into alcohol.

Solution:

(1) ${\mathrm{NaBH}}_4$ does not A reduce ester and carboxylic acid.

(2) ${\mathrm{H}}_2/\mathrm{Ni}$ does not reduce carboxylic acid and ester.

(3) ${\mathrm{LiAlH}}_4$ reduces both carboxylic acid and ester, aldehyde and epoxide.

(4) ${\mathrm{BH}}_3$ in THF reduces carboxylic acid