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Which of the following is an amphoteric ...

Which of the following is an amphoteric oxide ?

A

`V_2 O_5, Cr_2O_3`

B

`Mn_2O_7 , Cr_2O_3`

C

CrO, `V_2O_5`

D

`V_2 O_5, V_2O_4`

Text Solution

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The correct Answer is:
A
`V_2O_5` - amphoteric, `Cr_2O_3` - amphoteric
`Mn_2O_7` - acidic , CrO - - basic , `V_2O_4` - basic
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