Question

what is octet rule?? give its limitation

Answer 1

Some limitations of the octet rule are: It cannot be applied to the nonmetals after silicon in the Periodic Table. These elements can “expand their octet” and have more than eight valence electrons around the central atom. Molecules with an odd number of electrons such as NO and NO₂ cannot satisfy the octet rule.

Answer 2

the octet rule states that atom can combine either by transferring or by sharing their valancies