Which of the following statements is not ture for halogens?

Options

A. All do not 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 of fluorine but it is unstable at room temperature forming HF and `O_(2)`. So we can say that all halogens except fluorine form monobasic oxyacids.