Which of the following complex compound exhibits cis-trans isomerism?

CHEMISTRY · Single correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

Which of the following complex compound exhibits *cis-trans* isomerism? (1) [CoCl(NH3)4(H2O)] (2) [CoCl3(NH3)3] (3) [CoCl2(NH3)4] (4) All of these