Which of the following metals from ampho...

Which of the following metals from amphoteric oxides?

A

`Be, A1, Ga, Sn`,and `Pb`

B

`A1,Ga,Sn`, and `Pb`

C

`Sn` and `Pb`

D

`A1`and `Ga`

Text Solution

Verified by Experts

The correct Answer is:

A

Oxides of these metals react with acids as well as bases. For example, stannous oxide, `SnO`, is an amphoteric oxide as it dissolves in both acids and alkalies:
`SnO+2HC1 rarr SnC1_(2) +H_(2)O`
`SnO+2NaOH rarr Na_(2)SnO_(2) +H_(2)O`

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