Q.

Which of the following oxides is amphoteric ?

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a

GeO2

b

SnO2

c

CO2

d

SiO2

answer is B.

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Detailed Solution

In case of dioxides of IVA group elements ,CO2,SiO2 and  GeO2 are acidic while SnO2 and PbO2 are amphoteric.
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