

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. | |