First slide

Chemical properties

Question

An amphoteric oxide which can act like best oxidizing agent among the following is

Easy

A

GeO₂
B

PbO₂
C

SnO₂
D

CO₂

Solution

A) CO…Neutral.
B) SiO…Exists at high temperature only.
C) GeO…Acidic
D) SnO, PbO….Amphoteric.
E) CO₂…Most acidic oxide of 14th group
F) SiO₂…Acidic
G) GeO₂…Less acidic
H) SnO₂, PbO₂….Amphoteric.
I) Oxidizing power of PbO₂>SnO₂>GeO₂>SiO₂>CO₂
Due to inert pair effect Pb⁴⁺ is unstable and thus acts as oxidant.

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