6. Designate the geometry of a double bond of a disubstituted alkene with the prefixes cis and trans Cl H Cl is-1. 2-Dichloroethene trans-1. 2-Dichloroethene How to do? F6. Designate the geometry of a double bond of a disubstituted alkene with the prefixes cis￾and trans￾Cl H Cl H Cl H H Cl cis-1,2-Dichloroethene trans-1,2-Dichloroethene Br H Cl F How to do?