In the chemical reaction Cl2+H2S⟶2HCl+S, the oxidation number of sulphur changes from to .
A
-2
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B
-1
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C
2
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D
0.0
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Solution
The correct options are A -2 D 0.0 The oxidation state of sulphur in H2Sis−2, while it is zero in 'S' i.e. in this reaction oxidation of sulphur and reduction of chlorine takes place.