Which of the following statements is not true for halogens ?

Options

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

Answer

A

Explanation

Due to high electronegativity and small size, F forms only one oxoacid, HOF known as Fluroic (I) acid. Oxidation number of F is +1 in HOF.