Question

Which halogen forms an oxyacid that contains the halogen atom in tripositive oxidation state ?

• A. Fluorine
• B. Chlorine
• C. Bromine
• D. Iodine

Answer 1

Answer: (B)

The oxyacid of chlorine atom has tripositive oxidation state of Cl.
e.g. $HCl{O}_2;Cl$ is in +3 oxidation state.