posted by gina .
Which if the following statements concerning complex ion Co(en)2Cl2+ is true? en=NH2CH2CHNH2
A)the geometric isomers of the complex ion have identical chemical properties
B) the complex ion exhibits cis an dtrans geometric isomers but no optical isomers
C)the complex ion exhibits two geomtric isomers (CIS and Trans) and two optical isomers
D)the comlex ion contains Co(l)
E) since it is a strong ligand
is the anwser C?