Question

Consider the oxides of group 14 elements $SiO_2​,GeO_2​,SnO_2​,PbO_2​,CO$ and $GeO$. The amphoteric oxides are

• A. $GeO, GeO_2​$
• B. $SiO_2​, GeO_2​$
• C. $SnO_2​, PbO_2​$
• D. $SnO_2​, CO$

Answer 1

Answer: (C)

$SnO_2​, PbO_2​$

Answer 2

$SnO_2$ and $PbO_2$ are amphoteric.