The oxidation number of \( \mathrm{Co} \) in the complex ion
\( \ma...
The oxidation number of \( \mathrm{Co} \) in the complex ion
\( \mathrm{P} \)
WW
\( (1)+2 \)
\( (2)+3 \)
(3) \( +4 \)
(4) \( +6 \)
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