A certain compound X impats golden yellow flame. Whenzinc powder is heated with concenrated solution of X, `H_(2)` gas is evolved. X combines with `CO_(2)` to give a salt Y. Y is a hydrated salt which on reaction with HCl or ecess of `CO_(2)` gives another salt Z which is an important part of baking powder. identify X, Y and Z.A. `X-NaOH,Y-Na_(2)CO_(3),Z-NaHCO_(3)`B. `X-HCl, Y-NaOH,Z-NaHCO_(3)`C. `X-KOH,Y-K_(2)CO_(3),Z-KHCO_(3)`D. `X-NaCl,Y-Na_(2)CO_(3),Z-NaOH`

A certain compound X impats golden yellow flame. Whenzinc powder is he

1.	A certain compound X impats golden yellow flame. Whenzinc powder is heated with concenrated solution of X, `H_(2)` gas is evolved. X combines with `CO_(2)` to give a salt Y. Y is a hydrated salt which on reaction with HCl or ecess of `CO_(2)` gives another salt Z which is an important part of baking powder. identify X, Y and Z.A. `X-NaOH,Y-Na_(2)CO_(3),Z-NaHCO_(3)`B. `X-HCl, Y-NaOH,Z-NaHCO_(3)`C. `X-KOH,Y-K_(2)CO_(3),Z-KHCO_(3)`D. `X-NaCl,Y-Na_(2)CO_(3),Z-NaOH`
Answer» Correct Answer - A `Zn+underset((X))(2NaOH) to Na_(2)ZnO_(2)+H_(2)` `underset((X))(2NaOH)+CO_(2)tounderset((Y))(Na_(2)CO_(3))+H_(2)O` `underset((Y))(Na_(2)CO_(3))+HCl to underset((Z))(NaHCO_(3))+NaCl` ltBrgt `underset((Y))(Na_(2)CO_(3))+CO_(2)+H_(2)O to underset((Z))(2NaHCO_(3))`

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