The boiling points of the Group 14 binary hydrides increase smoothly from CH₄ to SnH₄.

Question

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This statement is true. The boiling points of the Group 14 binary hydrides (i.e. carbon, silicon, germanium, and tin hydrides) increase smoothly as you move down the group, from CH4 to SnH4. This is due to the increasing size and mass of the atoms in the hydrides, which leads to stronger London dispersion forces between the molecules, requiring more energy to overcome and boil the substance.

The Boiling Points of the Group 14 Binary Hydrides Increase