1.

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

Answer»

`SiX_(2) LT lt GE X_(2) lt lt PbX_(2)ltlt SnX_(2)`
`SiX_(2)ltltGe X_(2)ltltSnX_(2)ltltPbX_(2)`
`PbX_(2)ltltSnX_(2)ltltGeX_(2)ltltSiX_(2)`
`Ge X_(2)ltltSiX_(2)ltltSnX_(2)ltltPbX_(2)`.

Answer :B


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