1.

Two compounds X and Y, when dissolved in water, produced sodium bicarbonate. If hydrochloric acid is added to compound 'X', compound Y is liberated. Identify X and Y.

Answer»

Solution :`X+Y+H_(2)O to NaHCO_(3)`
`X+HCl to Y`
X should be the CARBONATE of sodium which produces bicarbonate, secondaly X on reaction with ACID like HCl produces `CO_(2)` henc Y is `CO_(2)`. The reaction is
`Na_(2)CO_(3)+CO_(2)+H_(2)O to 2 NaHCO_(3)`
(X)(Y)


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