MCQOPTIONS
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| 1. |
Oxidation state of \[Fe\] in \[F{{e}_{3}}{{O}_{4}}\] is [CBSE PMT 1999; AIIMS 2002] |
| A. | \[\frac{3}{2}\] |
| B. | \[\frac{4}{5}\] |
| C. | \[\frac{5}{4}\] |
| D. | \[\frac{8}{3}\] |
| Answer» E. | |