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Question

An unknown substance A reacts with sodium hydrogen carbonate to produce sodium acetate, substance B and carbon dioxide. Predict both substance A and B.
A + NaHCO3 → CH3COONa + B + CO2


A

CH3COOH and H2

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B

CH3CHO and H2O

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C

CH3COOH and H2O

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D

CH3OH and H2O

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Solution

The correct option is C

CH3COOH and H2O


CH3COOH + NaHCO3 → CH3COONa + H2O + CO2
Acetic acid on reaction with sodium hydrogen carbonate produces sodium acetate, water, and carbon dioxide.
Therefore molecule A is CH3COOH and B is H2O molecule.


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