

MCQOPTIONS
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1. |
In the chemical reaction \[C{{l}_{2}}+{{H}_{2}}S\to 2HCl+S\], the oxidation number of sulphur changes from [MP PMT 1999] |
A. | 0 to 2 |
B. | 2 to 0 |
C. | - 2 to 0 |
D. | - 2 to - 1 |
Answer» D. - 2 to - 1 | |