Ionic compounds have very high melting and boiling points.

Which one of the following compounds has the highest boiling point-

Why are the group-2 metals harder and have higher melting and boiling points than group-I metals?

Between cis and trans-2-butene, which one has a higher melting and boiling point ?

Why alkali metals have low melting and boiling points?

The hydrides of the first elements in group 15-17, namely NH_(3) , H_(2)O and HF respectively show abnormally high values for melting and boiling points. This is due to-

The hydrides of the elements in groups 15-17 namely NH_3, H_2O and HF respectively show abnormally high values for melting and boiling points. This is due to

All alkali metals have ______melting and boiling points

Arrange each set of compounds in order of increasing boiling points. (1) Bromomethane, Bromoform, Chloromethane, Dibromomethane.

Arrange each set of compounds in order of increasing boiling points. (2) 1-chloropropane, Isopropyl chloride, 1-chlorobutane.

Noble gases have very low boiling points. Why?