(a) What is the common name of sodium hydrogencarbonate?
(b) What happens when a solution of sodium hydrogencarbonate is heated? Write equation of the reaction involved.
(c) Explain why, sodium hydrogencarbonate is used as an antacid.

Open in App

Solution

(a) The common name of sodium hydrogencarbonate is baking soda.

(b) When a solution of sodium hydrogen carbonate is heated, then it decomposes to give sodium carbonate with the evolution of carbon dioxide gas.

Reaction: $2 N a H C O_{3} H e a t - -- \to N a_{2} C O_{3} + C O_{2} + H_{2} O$

(c) Sodium hydrogen carbonate is used as an antacid because it neutralises the excess acid present in the stomach and relieves indigestion.

Suggest Corrections

Similar questions

Q. Explain why sodium hydrogen carbonate is used as an antacid?

What happens when (Give equations of the chemical reaction)
(i) A pinch of sodium hydrogencarbonate is added to ethanoic acid.
(ii) Ethanol is oxidised with acidified potassium dichromate.

Which of the following compounds are administered as antacids?
(a) Sodium carbonate
(b) Sodium hydrogencarbonate
(c) Aluminium carbonate
(d) Magnesium hydroxide

Q. What is the ph of sodium hydrogencarbonate?

Q. What happens when an acid reacts with a metal hydrogencarbonate? Write equation of the reaction which takes place.

Join BYJU'S Learning Program

(a) What is the common name of sodium hydrogencarbonate?(b) What happens when a solution of sodium hydrogencarbonate is heated? Write equation of the reaction involved.(c) Explain why, sodium hydrogencarbonate is used as an antacid.

(a) What is the common name of sodium hydrogencarbonate?
(b) What happens when a solution of sodium hydrogencarbonate is heated? Write equation of the reaction involved.
(c) Explain why, sodium hydrogencarbonate is used as an antacid.