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vii. The stability of dihalides of Si, ...

vii. The stability of dihalides of ` Si, Ge , Sn` and Pb increases steadily in the sequence :

A

`GeX_(2) lt SiX_(2) lt SnX_(2) lt PbX_(2)`

B

`SiX_(2) lt GeX_(2) lt PbX_(2) lt SnX_(2)`

C

`SiX_(2) lt GeX_(2) lt SnX_(2) lt PbX_(2)`

D

`PbX_(2) lt SnX_(2) lt GeX_(2) lt SiX_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Due to the inert pair effect (the reluctance of `ns^(2)` electrons of outermost shell to participate in bonding), the stability of `M^(2+)` ions (of group `IV` elements) increases as we go down the group.
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