Which of the following compounds does not exist?

CHEMISTRY · Single correct · CBSE · Chemistry · d- and f-Block Elements · d- and f-Block Elements

Problem

Which of the following compounds does not exist? (1)

\text{CrO}_2\text{Br}_2

(2)

\text{CrO}_2\text{Cl}_2

(3)

\text{POCl}_3

(4)

\text{BiOCl}