Among the following the exceptions of the octet rule is\

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Professor PC Thomas Classes · Answer

(d) : According to octet rule, the central atom must have\ 10 electrons around P\ 8 electrons but in some compounds, the number of electrons is either more than 8 , or less than 8 or an odd number of electrons is present on the central atom e.g., $\mathrm{PF}_{5}, \mathrm{BCl}_{3}, NO $