Which of the following is not correct about the rare gases ?

Options

A. They are used to provide inert atmosphere in many chemical reactions
B. They are sparingly soluble in water
C. They form diatomic molecules
D. Some of them are used for advertising signboards

Explanation

(c) The rare gases, such as helium and neon, rarely form diatomic molecules. It is because rare gases have complete octet in their valence shells. So, they do not need to form a covalent bond with another molecules to attain stability.