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Question

When propionic acid is treated with aqueous sodium bicarbonate, $$CO_{2}$$ is liberated. The $$C$$ from $$CO_{2}$$ 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, $$CO_2$$ is liberated. The $$C$$ from $$CO_2$$ comes from bicarbonate.


$$CH_3CH_2COOH + NaHCO_3 \rightarrow CH_3CH_2COONa + H_2O + CO_2 \uparrow$$

Option D is correct.

Chemistry
NCERT
Standard XII

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