Question

Which of the following statement is incorrect for group 15 elements?

Options

• Order of ionization enthalpies is ΔiH₁ < ΔiH₂ < ΔiH₃.

• The boiling point and melting point increase from top to bottom in the group.

• Dinitrogen is a gas while all others are solids.

• All statements are correct.

Answer 1

The boiling point and melting point increase from top to bottom in the group.