Which of the following structures represents trans isomer.

I ⇒ Cl (equatorial (e) and Br (axial) (a) (OR)⇒ Cl (downward) and Br (upward) Hence transII ⇒ Br (downward) (e) CH, (upward) (e) Hence transIII ⇒ Both CH, and Br downward. Hence cisIV ⇒ Both Br and Cl downward. Hence cis