Chlorine is in +1 oxidation state in which of the following

Options

(a) HCl
(b) Cl₂O
(c) HClO₄
(d) Cl₂

Correct Answer:

Cl₂O

Explanation:

Let x be the oxidation number of Cl in Cl₂O. 2x – 2 = 0. 2x = 2 ⇒ x = +1.