What is observed when a pinch of sodium hydrogen carbonate

• Science Practical (C10)

What is observed when a pinch of sodium hydrogen carbonate is added to 2 mL of acetic acid taken in a test tube ? Write chemical equation for the reaction involved in this case.

Answer

Brisk effervescence of CO₂ evolved.

Chemical Equation

CH₃COOH + NaHCO₃ → CH₃COONa + CO₂ + H₂O