The isoelectronic pair is

Options

A. `Cl_(2)O,ICl_(2)`
B. `ICl_(2)ClO_(2)`
C. `IF_(2)^(+)I_(3)^(-)`
D. `ClO_(2)^(-)O_(2),CIF_(2)^(+)`

Answer

d

Explanation

Number of electron in `CO_(2)^(-)`
`= 7 + 6 + 6 + 1 = 20 `
Number of electron is `OF_(2)^(+) = 7 + 7 - 1 = 20 `