Question

A gas is released with brisk effervescence on addition of a pinch of sodium bicarbonate to acetic acid

Answer 1

The gas released when a pinch of sodium bicarbonate is added to acetic acid , is carbon dioxide (CO2) . The release of CO2 and formation of water , causes brisk effervescence.

The reaction is ::-

CH3COOH + NaHCO3 ---------> CH3COONa + CO2 + H2O

The products are sodium acetate , carbon dioxide and water.

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