When a manganous salt is fused with a mixture of `KNO_3` and solid `NaOH`, the oxidation number of Mn change from `+2` to :

In the reaction : Cl_(2)+H_(2)S to 2HCl+S , the oxidation number of S changes from

In the conversion of Br_(2) " to " BrO_3 the oxidation state of bromine changes from

Oxidation number of .S. in (CH_(3))_(2) SO is:

In the reaction of chlorine with dry slaked lime, the oxidation number of chlorine changes i) from -1 to +1 ii) from + 1 to -1 iii) from zero to -1 iv) from zero to +1 The correct combination is

The oxidation number of Pt in [Pt(C_2H_4)Cl_3]^(-) is

When methane is burnt in oxygen to produce CO_(2) and H_(2)O Find the Change in oxidation number ?

(A): Equivalent mass of K_(2)Cr_(2)O_(7) , when it acts as oxidizing agent in acidic medium, is M/3 (R) : During reduction, oxidation number of chromium changes from +6 to +3