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Both VO(2)^(+) and VO^(2+) are known as...

Both `VO_(2)^(+)` and `VO^(2+)` are known as vandyl ion.
(a) Determine the oxidation number of vandium in each.
(b) Which one of them is oxovanadium(iv) ion and which are is dioxovanadium(v) ion?

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The correct Answer is:
(a) `+5,+4` (b) `VO^(2+)` si oxovandium (iv) ion; `VO_(2)^(+)` is dioxovandium (v) ion
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Statement VO_(2)^(+) and VO^(2+) both are called vanadyl ions. Explanation VO_(2)^(+) is dioxovanadium (V) ion and VO^(2+) is oxovanadium (IV) ion.

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