Question

Ionic bonds are non-directional while covalent bonds are directional.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason in not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer 1

Correct Answer - D
Covalent bond between two atoms is formed by pairing of electrons present in the valence shell having opposite spins ( orbital overlap concept). Covalent bonds are directional in nature as hybrid orbitals are involved in bond formation which are directed in space in some preferred directions. (valence bond theory).