Question

When propionic acid is treated with aqueous sodium bicarbonate, $CO_{2}$ is liberated. The $C$ of $CO_{2}$ comes from

• A. methyl group
• B. carboxylic acid group
• C. methylene group
• D. bicarbonate

Answer 1

Answer: (D)

bicarbonate

Answer 2

Hence, carbon of $CO _{2}$ comes from bicarbonate.