A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his notebook, about the reaction that takes place. Also, write chemical equation for the reaction.

Academic Chemistry NCERT Class 10

When acetic acid is added to NaHCO₃ solution, carbon dioxide gas with brisk effervescence is evolved from the flask.

So, the observations are:

Evolution of carbon dioxide gas with brisk effervescence.
Colorless gas is evolved with the generation of heat.

The equation for the reaction is given below:

$CH_3COOH + NaHCO_3 → CH_3COONa + CO_2 + H_2O$

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Updated on: 10-Oct-2022

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