MCQOPTIONS
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| 1. |
Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases \[{{H}_{2}}{{O}_{2}}\] acts as a reducing agent in acid medium? |
| A. | \[MnO_{4}^{-}\] |
| B. | \[C{{r}_{2}}O_{7}^{2-}\] |
| C. | \[SO_{3}^{2-}\] |
| D. | KI |
| Answer» B. \[C{{r}_{2}}O_{7}^{2-}\] | |