What is the oxidation state of sulphur in `(i) PbS (ii) SO_(2) (iii) SO_(4)^(2-) (iv) SCl_(2)` ?

What is the oxidation state of N in (N_(2)H_(5))SO_(4) ?

What is the hybridisation of sulphur in H_(2)SO_(4) ?

Oxidation state of S in SO_(4)^(2-)

The oxidation state of 'S' in H_(2)SO_(4) is:

Oxidation number of sulphur in H_(2)SO_(5) is

What is the oxidation number of Sulphur in Na_(2)SO_(4) molecule ?

The correct increasing order of the oxidation state of sulphur in the anions SO_(4)^(2-), SO_(3)^(2-),S_(2)O_(4)^(2-),S_(2)O_(6)^(2-) is