A reaction of cobalt (III) chloride and ethylene diamine in a 1 : 2 mole ratio generates two isomeric products A (violet colored) and B (green colored). A can show optical activity, but B is optically inactive. What type of isomers does A and B represent?

A reaction of cobalt (III) chloride and ethylene diamine in a 1 : 2�

1.	A reaction of cobalt (III) chloride and ethylene diamine in a 1 : 2 mole ratio generates two isomeric products A (violet colored) and B (green colored). A can show optical activity, but B is optically inactive. What type of isomers does A and B represent?
A.	Ionization isomers
B.	Coordination isomers
C.	Geometrical isomers
D.	Linkage isomers
Answer» D. Linkage isomers