MCQ
${\left[ {Co{{\left( {N{H_3}} \right)}_4}C{l_2}} \right]^ + }$ exhibits
- ✓Geometrical isomerism
- BOptical isomerism
- CBonding isomerism
- DIonisation isomerism

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$4Fe + 3{O_2}\, \to \,4F{e^{3 + }} + 6{O^{2 - }}$
Which one of the following statement is incorrect
Major product of above reaction is