MCQ
Correct order of stability of carbocation given below is :-


- ✓$i > ii > iii > iv$
- B$ii > iii > i > iv$
- C$ii > i > iii > iv$
- D$i > iii > ii > iv$

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$SF _{4}, BF _{4}^{-}, CIF _{3}, AsF _{3}, PCl _{5}, BrF _{5}, XeF _{4}, SF _{6}$
How many geometrical isomers are possible for this compound?