Which from following compounds is obtained as by product in synthesis of sodium carbonate by Solvay process?
Which from following compounds is obtained as by product in synthesis of sodium carbonate by Solvay process?
Ammonium carbonate
Sodium bicarbonate
Calcium Chloride
Ammonium Chloride.
Solution
During the second stage of Solvay process, $\mathrm{NH}_4 \mathrm{Cl}$ is treated with slaked lime to recover $\mathrm{NH}_3$ and $\mathrm{CaCl}_2$ is obtained as a by-product.