1.

Which of the following is amphoteric oxide ? Mn_(2)O_(7),CrO_(3), Cr_(2)O_(3), CrO, V_(2)O_(3), V_(2)O_(4)

Answer»

`V_(2)O_(5), Cr_(2)O_(3)`
`Mn_(2)O_(7), CrO_(3)`
`CRO, V_(2)O_(5)`
`V_(2)O_(5), V_(2)O_(4)`

Solution :Oxides in the lower oxidation state are basic and those in higher oxidation state are acidic while in INTERMEDIATE state, they are amphoteric.


Discussion

No Comment Found