Generally in 14 group CO2 and GeO2 and SiO2 are acidic, PbO2 and SnO2 are amphoteric.
Generally in 13 group only B2O3 is acidic . Al2O3 and Ga2O3 are amphoteric and those of indium and thallium are basic in nature.
So, SnO2,Al2O3,Ga2O3 are amphoteric.
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Similar Questions
Q1
Consider the following statements and arrange in the order of true/false as given in the codes: S1: Oxides of boron (B2O3) and silicon (SiO2) are acidic in nature. S2: Oxides of aluminium (Al2O3) and gallium (Ga2O3) are amphoteric in nature. S3: Oxides of indium (ln2O3) and thallium (Tl2O3) are basic in nature. S4: Oxides of germanium (GeO2) and tin (SnO2) are acidic in nature.
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Q2
Out of the following oxides, the amphoteric oxide is : (a) Fe2O3 (b) Al2O3 (c) P2O3 (d) N2O
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Q3
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Q4
How many of the following oxides are basic oxides?
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Q5
Assertion :SnO is more reactive towards acid than SnO2 Reason: Both SnO and SnO2 are amphoteric oxides