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  • The reduction of carboxylic acid first produce aldehydes which are further reduced to form alcohols. Which of the following reducing agents can cause the above conversion?<div class='qna-option

The reduction of carboxylic acid first produce aldehydes which are further reduced to form alcohols. Which of the following reducing agents can cause the above conversion?

Option: 1

B_2H_6 \; \text{and}\; LiAlH_4


Option: 2

 

NaBH_4 \; \text{and}\; LiAlH_4


Option: 3

 

Red P, HI \; \text{and}\; B_2H_6


Option: 4

 

B_2H_6\; \text{and}\; NaBH_4


Answers (1)

best_answer

(i) B_2H_6 \; \text{and}\; LiAlH_4 can cause the above conversion,

RCOOH \rightarrow RCHO\rightarrow RCH_2OH

(ii) Red P/ HI reduce the carboxyl group to CH_3.

RCHOOH \xrightarrow[HI]{Red P}RCH_3

(iii) NaBH_4 is not able to reduce carboxylic acids.

Hence, the correct answer is option (1)

Posted by

manish painkra

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