Consider the reaction in chemical equilibrium. COCl2(g) Double headed arrow. CO(g) + Cl2(g) Which is the correct equation for K? Upper K = StartFraction left-bracket Upper C Upper O Upper C l Subscript 2 Baseline right-bracket Superscript 2 Over left-bracket Upper C Upper O right-bracket left-bracket Upper C l Subscript 2 Baseline right-bracket EndFraction Upper K = StartFraction left-bracket Upper C Upper O Upper C l Subscript 2 Baseline right-bracket Over left-bracket Upper C Upper O right-bracket left-bracket Upper C l Subscript 2 Baseline right-bracket EndFraction Upper K = StartFraction left-bracket Upper C Upper O right-bracket left-bracket Upper C l Subscript 2 Baseline right-bracket Over left-bracket Upper C Upper O Upper C l Subscript 2 Baseline right-bracket EndFraction Upper K = StartFraction left-bracket Upper C Upper O right-bracket left-bracket Upper C l Subscript 2 Baseline right-bracket Over left-bracket Upper C Upper O Upper C l Subscript 2 Baseline right-bracket Superscript 2 EndFraction