Which of the following statements is not ture for halogens?

Options

A. All form monobasic oxyacids.
B. All are oxidizing agents.
C. All but fluorine show positive oxidation states
D. Chlorine has the highest electron-gain enthalpy.

Answer

A

Explanation

However `HOF` is the only known oxyacid but it is unstable at room tempreture forming `HF` and `O_(2)`. So we can say that all halogens except fluorine form monobasic oxyacids.