1.The stability of dihalides of Si, Ge, Sn and Pb increases steadily in the sequencea.GeX2<SiX2<SnX2<PbX2\text{GeX}_2 < \text{SiX}_2 < \text{SnX}_2 < \text{PbX}_2GeX2<SiX2<SnX2<PbX2b.SiX2<GeX2<PbX2<SnX2\text{SiX}_2 < \text{GeX}_2 < \text{PbX}_2 < \text{SnX}_2SiX2<GeX2<PbX2<SnX2c.SiX2<GeX2<SnX2<PbX2\text{SiX}_2 < \text{GeX}_2 < \text{SnX}_2 < \text{PbX}_2SiX2<GeX2<SnX2<PbX2d.PbX2<SnX2<GeX2<SiX2\text{PbX}_2 < \text{SnX}_2 < \text{GeX}_2 < \text{SiX}_2PbX2<SnX2<GeX2<SiX2Login to continueOnly logged in users canattempt or see the solution.
