Which of the following ion pairs are incorrect for the given substance?

Options

A. `PBr_(5)(s) : [PBr_(4)]^(+)[PBr_(6)]^(-)`
B. `N_(2)O_(4)(s) : [NO_(2)]^(+)[NO_(2)]^(-)`
C. `XeF_(6)(s):[XeF_(5)]^(+)[XeF_(7)]^(-)`
D. Common salt : `[Na]^(+)[Cl]^(-)`

Answer

A, B

Explanation

(a) `PBr_(5)(s):[PBr_(4)]^(+)Br^(-)`
(b) `N_(2)O_(2)(s):2NO_(2)`
(c) `XeF_(2)^(o+)F^(Theta)`