STEP-(I): Na_(2)CO_(3)(aq)overset("excess" SO_(2))rarr 'A' overset(Na_(2)CO_(3))rarr 'B' STEP-(II): Compound 'A' and 'B' are:

STEP-(I): Na_(2)CO_(3)(aq)overset("excess" SO_(2))rarr 'A' overset(Na_

1.	STEP-(I): Na_(2)CO_(3)(aq)overset("excess" SO_(2))rarr 'A' overset(Na_(2)CO_(3))rarr 'B' STEP-(II): Compound 'A' and 'B' are:
Answer» `NaHCO_(3)` and `Na_(2)CO_(3)` `NaHCO_(3)` and `Na_(2)SO_(3)` `NaHSO_(3)` and `Na_(2)SO_(3)` `NaHSO_(3)` and `Na_(2)CO_(3)` Answer :C