Sodium hydrogen carbonate when added to acetic acid evolves a gas

• GC Acids Bases Salts

Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?

1. It turns lime water milky
2. It extinguishes a burning splinter
3. It dissolves in a solution of sodium hydroxide
4. It has a pungent odour

Select the correct option:

1. (i) and (ii)
2. (i), (ii) and (iii)
3. (ii), (iii) and (iv)
4. (i) and (iv)

Answer

Reaction of sodium hydrogen carbonate with acetic acid forms sodium acetate and water with carbon dioxide (CO₂) gas.

The correct option is B.