Which of the following has monoatomic anion in the solid state?

Options

A. `XeF_(6)`
B. `PCl_(5)`
C. `N_(2)O_(5)`
D. `BrF_(3)`

Answer

A

Explanation

`(A) XeF_(6(s)) to [XeF_(5)]^(+) F^(-)`
`(B) 2PCl_(5(s)) to [PCl_(4)]^(+) [PCl_(6)]^(-)`
(C) `N_(2)O_(5(s)) to [NO_(2)]^(+)[NO_(3)]^(-)`
(D) `2BrF_(3(s)) to [BrF_(2)]^(+)[BrF_(4)]^(-)`