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The stability of dihalides of Si, Ge, Sn and Pb increases steadily in the sequence (a) 2222 PbXSnXGeXSiX (b) GeX2 (c) SiX2 (d) SiX2 ?

The stability of dihalides of Si, Ge, Sn and Pb increases steadily in the sequence
(a) 2222 PbXSnXGeXSiX <<<<<<
(b) GeX2 << SiX2 << SnX2 << PbX2
(c) SiX2 << GeX2 << PbX2 << SnX2
(d) SiX2 << GeX2 << SnX2 << PbX2.
?

Grade:12

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