Which of the statements given below is incorrect ?

Options

A. `O_(3)` molecule is bent
B. ONF is isoelectronic with `O_(2)N^(-)`
C. `OF_(2)` is an oxide of fluorine
D. `Cl_(2)O_(7)` is an anhydride of perchloric acid

Answer

C

Explanation

`O_(3)` is a bent molecule.
ONF (8 + 7 + 9 = 24) and `O_(2)N^(-)` (2 `xx` 8 + 7 + 1 = 24) are isoelectronic ions. `Cl_(2)O_(7)` is the anhydride of perchloric acid.
`2HClO_(4) rarr Cl_(2)O_(7) + H_(2)O`
But `OF_(2)` (oxygen difluoride) is a fluoride of oxygen and not oxide of fluorine because fluorine is more electronegative than oxygen. Thus, option (c) is incorrect.