Question

Which of the following have identical geometry with same number of lone pair (s) ?

(I)$\text{PC}\text{l}_{5}$ (II) $\text{P}\text{F}_{3}\text{B}\text{r}_{2}$ (III)$\text{Br}\text{F}_{5}$ (IV) $\text{Sb}\text{F}_{5}^{\text{2-}}$

• A. I and II
• B. II and III
• C. III and IV
• D. III, II and IV

Answer 1

Answer: (A)

I and II

Answer 2

Both are trigonal bipyramidal with zero lone pair on central atom