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  • In the reaction <img alt="CH_3CHO\overset{K_2Cr_2O_7}{\rightarrow}A\overset{NaOH \: \: CaO}{\rightarrow}B" src="http://entrancecorner.oncodecogs.com/gif.latex?CH_3CHO%5Coverset%7BK_2Cr_2O

In the reaction

CH_3CHO\overset{K_2Cr_2O_7}{\rightarrow}A\overset{NaOH \: \: CaO}{\rightarrow}B

A and B respectively are

Option: 1

CH_3CH_2OH\: \: and\: \: CH_4


Option: 2

CH_3COOH\: \: and\: \: CH_3-CH_3


Option: 3

CH_3COOH\: \: and\: \: CH_4


Option: 4

CH_3CH_2OH\: \: and\: \: CH_5CH_3


Answers (1)

best_answer

The reaction will be 

CH_3CHO\overset{K_2Cr_2O_7}{\rightarrow}CH_3COOH\overset{NaOH \: \: CaO}{\rightarrow}CH_4

Sodium salt of Carboxylic acid on heating with soda lime (NaOH +CaO) give alkanes containing one carbon atom less than Carboxylic acid.

Therefore, option (3) is correct.

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Info Expert 30

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