Which molecule violates the octet rule due to having more than 8 electrons around the central atom in its Lewis structur
In BrF₅ , bromine has 5 bonds (10 electrons) and 1 lone pair (2 electrons), totaling 12 electrons, exceeding the octet via d-orbital use.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Kossel-Lewis Approach and Octet Rule and Lewis Structures