Acidified potassium dichromate is treated with hydrogen sulphide. In the reactiion, the oxidation number of chromium

Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium_____________.

Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction the oxidation number of chromium

Acidified potassium dichromate is treated with hydrogen sulphide, IN this reaction, the oxidation number of chormium :

Acidified potassium dichromate on reacting with a suplhite is reduced to

Acidified potassium dichromate reacts with potassium iodide and oxidises it to I_(2) . The oxidation state of chromium in the products of reaction is + x. The value of x is :