Which of the following has//have been arranged in order of decreasing oxidation number of sulphur?

Options

A. `H_(2)S_(2)O_(7) gt Na_(2)S_(4)O_(6) gt Na_(2)S_(2)O_(3) gt S_(8)`
B. `SO^(2+) gt SO_(4)^(2-) gt SO_(3)^(2-) gt HSO_(4)^(-)`
C. `H_(2)S gt SCl_(2) gt H_(2)SO_(3) gt H_(2)SO_(5)`
D. `H_(2)SO_(4) gt SO_(2) gt H_(2)S gt H_(2)S_(2)O_(8)`

Answer

A

Explanation

`H_(2)overset(+6)(S_(2))O_(7) gt Na_(2)overset(+2.5)(S_(4))O_(6) gt Na_(2)overset(+2)(S_(2))O_(3) gt overset(0)(S_(8))`