Solution of a salt in dilute H_2 SO_4 produces deep blue colour with s – InterviewSolution

1.	Solution of a salt in dilute H_2 SO_4 produces deep blue colour with starch iodine solution. The salt contains
Answer» `Br^(-)` `I^(-)` `NO_(3)^(-)` `NO_(2)` Solution :NITRITE ion LIBERATES `I_(2)` from POTASIUM iodide TURNING starch blue.

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