Which among the following gas is bubbled through the brine solution during the preparation of sodium…

Which among the following gas is bubbled through the brine solution during the preparation of sodium carbonate in Solvay's process?
  1. $\mathrm{CO}_{2(\mathrm{~g})}$
  2. $\mathrm{N}_{2(\mathrm{~g})}$
  3. $\mathrm{NO}_{2(\mathrm{~g})}$
  4. $\mathrm{O}_{2(\mathrm{~g})}$

Solution

Carbon dioxide gas is bubbled through a brine solution saturated with ammonia, sodium hydrogen carbonate is formed.

Asked in: MHT CET 2020 (12 Oct Shift 1)

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