JEE Main Chemistry question

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

(A)Methyl group
(B)Carboxylic acid group
(C)Methylene group
(D)BicarbonateCorrect

Answer: (D)

Solution

The acid–base reaction between the carboxylic acid and bicarbonate transfers a proton from –COOH to HCO₃⁻, forming carbonic acid (H₂CO₃), which decomposes to CO₂ and H₂O; conventionally (and as is

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Question ID VK-149461