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The oxidant which cannot act as a reducing agent isA. `CO_(2)`B. `SO_(2)`C. `NO_(2)`D. `CICO_(2)` |
Answer» Correct Answer - A Reducing agent is one which donate electrons. (a) `CO_(2)`, oxidation state of carbon in `CO_(2)` is `+4` which is the highest oxidation state of carbon. `therefore CO_(2)` cannot act as reducing agent. (b) `SO_(2)`, oxidatino state of sulphur in `SO_(2)` is `+4`. The highest oxidation state of sulphur is `+6`. `therefore SO_(2)` can act as reducing agent. (c) `NO_(2)`, oxidation state of nitrogen in `NO_(2)` is `+4` The highest oxidation state of nitrogen is `+5`. `therefore NO_(2)` can act as reducing agent. (d) `CIO_(2)`, oxidation state of chlorine in `CIO_(2)` is `+4`. The highest oxidation state of chlorine is `+7`. `therefore CIO_(2)` can act as reducing agent. |
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