Sodium carbonate is prepared by Solvay process. Which of the following compounds is obtained as a by - product?

Potassium carbonate cannot be prepared by Solvay process. Why?

Potassium carbonate cannot be prepared by Solvay process. Why?

Potassium carbonate can not be prepared by Solvay process why?

Potassium carbonate can be obtained by Solvay's process.

Potassium carbonate can be obtained by Solvay's process.

Give reasons for the following: 'Sodium carbonate is prepared by Solvay process but the same process is not extended to the manufacture of potassium carbonate'.