HARDMCQ SINGLENEET ChemistryInorganic ChemistryCarboxylic Acids and DerivativesAchiever Section

When propionic acid is treated with aqueous sodium bicarbonate, CO₂ is liberated. The C of CO₂ comes from

A.methyl group

B.carboxylic acid group

C.methylene group

D.bicarbonate group✓ Correct

Explanation

The 2 CO , liberated when propionic acid is treated with aqueous sodium bicarbonate comes from bicarbonate, the reaction of which is shown below- 3 2 3 3 2 2 2 CH CH COOH NaHCO CH CH COONa H O CO → Thus, the correct option is (d) bicarbonate group

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