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A white sodium salt dissolves in water to give a solution which is neutral to litmus.When silver nitrate solution is added to the solution, a white precipitate is obtained which does not dissolve in dilute `HNO_(3)`.The anion isA. `CO_(3)^(2-)`B. `Cl^(-)`C. `SO_(3)^(2-)`D. `S^(2-)` |
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Answer» Correct Answer - B `NaCl+AgNO_(3)toAgCl darr("white")+NaNO_(3),Ag_(2)S darr` (black) `Ag_(2)CO_(3)` and `Ag_(2)SO_(3)` dissolves in dilute `HNO_(3)` liberating `CO_(2)` and `SO_(2)` respectively. Both `Ag_(2)CO_(3)` and `Ag_(2)SO_(3)` are white.`AgCl` is white but insoluble in dilute `HNO_(3)``NaCl` solution is netural to litmus as it is a salt of strong acid and strong base. |
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