Question

`VO_(2)` is an amphoteric oxide and in acidic medium it forms:
A. `VO^(2+)`
B. `VO_(2)^(+)`
C. `V^(3+)`
D. `VO_(2)^(2+)`

Answer 1

Correct Answer - A
It is an amphoteric in natrue and it reacts with alkalies as well as with acids to give `V_(4)O_(9)^(2-)` and `VO^(2+)` respectively.