Question

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The stability of dihalides of $\mathrm{Si}, \mathrm{Ge}, \mathrm{Sn}$ and $\mathrm{Pb}$ follows the sequence.

ChemistryAlcohols Phenols and EthersTS EAMCETTS EAMCET 2018 (07 May Shift 1)

Options:

A $\mathrm{Si} X_2 < \operatorname{Ge} X_2 < \mathrm{PbX}_2 < \operatorname{Sn} X_2$
B $\mathrm{Si} X_2 < \operatorname{Ge} X_2 < \operatorname{Sn} X_2 < \mathrm{PbX}_2$
C $\mathrm{Pb} X_2 < \operatorname{Sn} X_2 < \operatorname{Ge} X_2 < \operatorname{Si} X_2$
D $\operatorname{GeX} X_2 < \operatorname{SiX} X_2 < \operatorname{Sn} X_2 < \mathrm{PbX}_2$