s-Block ElementsHard

Question

Which of the following product is obtained as insoluble, when ammonical solution of brine is saturated with carbon dioxide gas ? 

Options

A.(NH4)2CO3
B.NaHCO3
C.NH4HCO3
D.NH4Cl

Solution

NH3 + H2O + CO2 → NH4HCO3.
NaCl + NH4HCO3 →  NaHCO3 ↓ + NH4Cl.

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