Question

When a sodium compound X which is also used in soda-fire extinguisher is heated, gives a sodium compound Y along with water and carbon dioxide. Y on crystallisation forms compound Z. Identify X, Y and Z.

Answer 1

Answer:

is Sodium Hicarbonate

NaHCO3

Answer 2

Answer:

X ---> NaHCO3 ( baking soda)

on heating:

NaHCO3------> Na2CO3 + H2O + CO2

Y is Na2CO3 (sodium carbonate)

Na2CO3-----> Na2O + CO2

Z is Na2O (sodium oxide).