1.

? Which gasisevolvedwhensodiumhydrogencarbonate(NaHCO,)is.addedtoaceticacid?

Answer»

When sodium hydrogen carbonate is added to acetic acid, carbon dioxide (CO2) gas is evolved.

NaHCO3+ CH3COOH CH3COONa+ H2O + CO2

(Sodium hydrogen carbonate + Acetic acid = Sodium acetate + water + carbon dioxide) Carbon dioxide supports all the above three properties. CO2turns lime water milky, it is a non-supporter of combustion and is absorbed by strong alkalis such as NaOH.



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