Question

Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.

Options

• Noble gases have large positive values of electron gain enthalpy.

• Noble gases are sparingly soluble in water.

• Noble gases have very high melting and boiling points.

• Noble gases have weak dispersion forces.

Answer 1

Noble gases have very high melting and boiling points.

Explanation:

Noble gases are monoatomic with weak dispersion (van der Waals) forces, so they have very low melting and boiling points, not high. The other statements correctly reflect their low reactivity, weak intermolecular forces, and limited solubility in water.