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.


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