MCQ
The transitional metal which shows oxidation state from $+2$ to $+7 $ belong to group
- ✓$VII B$
- B$VI B$
- C$II B$
- D$III B$
✓
Answer
Correct option: A.
$VII B$
a
(a)$VII B $ groups as the metal must contain $7$ electrons in ultimate shell in order to show $ + 7 $ oxidation state.
(a)$VII B $ groups as the metal must contain $7$ electrons in ultimate shell in order to show $ + 7 $ oxidation state.
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