A soldium salt of unknown anion when treated with MgCl_(2) gives white precipitate only on boiling. The anion is:

A soldium salt of unknown anion when treated with MgCl_(2) gives white

1.	A soldium salt of unknown anion when treated with MgCl_(2) gives white precipitate only on boiling. The anion is:
Answer» `SO_(4)^(2-)` `HCO_(3)^(-)` `CO_(3)^(2-)` `NO_(3)^(-)` SOLUTION :The salt is `NaHCO_(3)` `2NaHCO_(3) + MgCl_(2) rarr underset(("White ppt"))underset(MgCO_(3))underset(darr "heat")(Mg(HCO_(3))_(2))+ 2NaCl`