Question

A few drops of ethanoic acid were added to solid sodium carbonate. The possible results of thereactions are: [ ]
a) A hissing sound was evolved
b) Brown fumes evolved.
c) Brisk effervescence occurred.
d) A pungent smelling gas evolved.

Answer 1

The following reaction occurs when Ethanoic acid is added to Sodium carbonate:

2 CH₃COOH + Na₂CO₃ -----------> 2 CH₃COONa + H₂O + CO₂

Here, The Liberation of Carbon dioxide (CO₂) is termed as Brisk Effervescence.

Hope it helps!!

Answer 2

heya..

here is ur ans...

in this reaction CO2 gas is evolved so it is c) brisk effervescence

hope helped..