What happens when acetic acid reacts with sodium carbonate?

Hydrogen gas is evolved.

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Methane gas is evolved

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Carbon dioxide gas is evolved.

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Oxygen gas is evolved.

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Solution

The correct option is C Carbon dioxide gas is evolved.
Sodium carbonate reacts with acetic acid to form sodium acetate, carbon dioxide gas and water. Thus, only carbon dioxide gas is evolved. The reaction takes place as follows:

${2CH}_{3} COOH (l) + {Na}_{2} {CO}_{3} (s) ⟶ 2 {CH}_{3} COONa (a q) + H_{2} O (l) + {CO}_{2} (g)$

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