What changes occur when acidified `CrO_(4)^(2-)` ion react with `H_(2)O_(2)` solution in presence of ether solvent?

What changes occur when acidified Cr_(2)O_(7)^(2-) ion react with H_(2)O_(2) solution in presence of ether solvent?

What changes occur when acidified Cr_(2)O_(7)^(2-) ion react with H_(2)O_(2) solution in presence of ether solvent?

What happens when Acidified KMnO_4 reacts with H_2S ?

Statements 1: Both CrO_(4)^(2-) and Cr_(2)O_(7)^(2-) ions when treated with acidified H_(2)O_(2) solution gives blue solution which turns green on standing. Statement 2: Blue solution of CrO_(5) is stabilised in the presence of organic solvent,e.g., ether, pyridine, etc.

In which of the following there is a change in oxidation number ? (a) An aqueous solution of CrO_(4)^(2-) is acidified. (b) SO_(2) gas is passed through acidified Cr_(2)O_(7)^(2-) solution. (c) Cr_(2)O_(7)^(2-) solution is made alkaline. (d) CrO_(2)Cl_(2) is dissolved in NaOH.

What happens when H_(2)O_(2) is shaken with acidified K_(2)Cr_(2)O_(7) solution ?

When acidified K_(2)Cr_(2)O_(7) solution is added to Sn^(2+) salts then Sn^(2+) changes to