Number of molecules from the following which are exceptions to the octet rule is _______

Exceptions to Octet Rule | JEE Main Chemical Bonding PYQ

JEE Main Numerical Question

Number of molecules from the following which are exceptions to the octet rule is ________.

CO₂, NO₂, H₂SO₄, BF₃, CH₄, SiF₄, ClO₂, PCl₅, BeF₂, C₂H₆, CHCl₃, CBr₄

Correct Answer: 6

Explanation

Exceptions to octet rule include molecules with incomplete octet, expanded octet and odd number of electrons.

Hence, total number of exceptions = 6.