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

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Solution

When acetic acid is added to $N a H C O_{3}$ solution, carbon dioxide gas with brisk effervescence is evolved from the flask.

$C H_{3} C O O H + N a H C O_{3} \to C H_{3} C O O N a + C O_{2} + H_{2} O$

So, the observations are:
1. Evolution of carbon dioxide gas with brisk effervescence.
2. Colorless gas is evolved with generation of heat.

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

When acetic acid is added to NaHCO3 solution, carbon dioxide gas with brisk effervescence is evolved from the flask.CH3COOH+NaHCO3→CH3COONa+CO2+H2OSo, the observations are: 1. Evolution of carbon dioxide gas with brisk effervescence. 2. Colorless gas is evolved with generation of heat.