Question

Equivalent mass of oxidising agent in the reaction
`SO_(2)+2H_(2)Srarr3S+2H_(2)O` is
A. 321
B. 64
C. 16
D. 8

Answer 1

Correct Answer - C
`overset(+4)SO_(2)^(-2)+overset(+1)2H_(2)overset(-2)Srarr3overset(0)S+overset(-2)2H_(2)O`
In this reaction , `SO_(2)` acts as oxidising agent
`overset(+4)SO_(2)rarroverset(0)S`
`SO_(2)+4e^(-)rarrS`
therefore Eq mass of `SO_(2)`=`("Molecular mass")/(4)`
`=(32+32)/(4) =16`