An aqueous solution of salt containing an acidic radical `X`-reacts with sodium hypochlorite in neutral medium. The gas evolved produces blue black colour spot on the starch paper.The anion `X^(-)` is:A. `CH_(3)COO^(-)`B. `Br^(-)`C. `I^(-)`D. `NO_(2)^(-)`

An aqueous solution of salt containing an acidic radical `X`-reacts wi

1.	An aqueous solution of salt containing an acidic radical `X`-reacts with sodium hypochlorite in neutral medium. The gas evolved produces blue black colour spot on the starch paper.The anion `X^(-)` is:A. `CH_(3)COO^(-)`B. `Br^(-)`C. `I^(-)`D. `NO_(2)^(-)`
Answer» Correct Answer - C `OCl^(-)+3l^(-)+H_(2)Otol_(3)^(-)+2OH^(-)+Cl^(-)` `l_(3)^(-)+` starch `to` blue-black spot on starch paper due to the formation of iodine-starch adsorption complex.

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An aqueous solution of salt containing an acidic radical `X`-reacts with sodium hypochlorite in neutral medium. The gas evolved produces blue black colour spot on the starch paper.The anion `X^(-)` is:A. `CH_(3)COO^(-)`B. `Br^(-)`C. `I^(-)`D. `NO_(2)^(-)`

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