1.

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

Answer»

`GeX_(2)ltltSiX_(2)ltltSnX_(2)ltltPbX_(2)`
`SiX_(2)ltltGeX_(2)ltltPbX_(2)ltltSnX_(2)`
`SiX_(2)ltltGeX_(2)ltltSnX_(2)ltltPbX_(2)`
`PbX_(2)ltltSnX_(2)ltltGeX_(2)ltSiX_(2)`

ANSWER :C


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