The order of the stability of dihalides of Si, Ge, Sn and Pb changes in sequence:
A
SiX2<SnX2<GeX2<PbX2
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B
SiX2<GeX2<SnX2<PbX2
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C
PbX2<SnX2<GeX2<SiX2
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D
GeX2<SiX2<SnX2<PbX2
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Solution
The correct option is CSiX2<GeX2<SnX2<PbX2 The order of the stability of dihalides of Si, Ge, Sn and Pb changes in sequence SiX2<GeX2<SnX2<PbX2 because stability for dihalides increases as we move down the group.