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Question

When propionic acid is treated with aqueous NaHCO3,CO2 is liberated.The 'C' of CO2 comes from:

A
methyl group
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B
carboxylic acid group
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C
methylene group
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D
bicarbonate
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Solution

The correct option is D bicarbonate
When propionic acid is treated with aqueous sodium bicarbonate, CO2​ is liberated. The C from CO2​ comes from bicarbonate.
CH3CH2COOH+NaHCO3CH3CH2COONa+H2O+CO2
Option (D) is correct.

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