Oxidation state of sulphur in `H_(2)S_(2)O_(4)` is X and that of chromium in `CrO_(2)Cl_(2)` is Y the value of "X+Y/4" is

The oxidation state of sulphur in H_(2)S_(2)O_(7) is

The oxidation state of sulphur in Na_(2)S_(4)O_(6) is

Oxidation state of sulphur in \(H_{2}S_{2}O_{8}\) IS ''X" and that of chromium in \(CrO_{2}Cl_{2}\) is "Y'' the value of X+Y/4 is

The oxidation number of sulphur in H_(2)S_(2)O_(8) is:

The oxidation number of sulphur is Na_(2)S_(2)O_(4) is

The average oxidation state of sulphur in Na_(2)S_(4)O_(6) is

The oxidation state of sulhur in H_(2)SO_(5) and chromium in K_(2)Cr_(2)O_(7) respectively is :-

The average oxidation state of sulphur in Na_2S_4O_6 is