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Sulphur in +3 oxidation state is present...

Sulphur in `+3` oxidation state is present in

A

Sulphurous acid

B

Pyrosulphuric acid

C

Dithionous acid

D

Thiosulphuric acid

Text Solution

Verified by Experts

The correct Answer is:
C
Dithionous acid `(H_(2)S_(2)O_(4))` has sulphur in +3 oxidation state
`HO-overset(O)overset(||)(S)-overset(O)overset(||)(S)-OH, 2(+1)+2x+4(-2)=0`
2x=8-2=6, x=+3
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