Question

Which one of the following complex ions has geometrical isomers?

Options

• \[\ce{[Ni(NH3)5Br]+}\]

• \[\ce{[Cr(NH3)4en]^3+}\]

• \[\ce{[Co(NH3)2(en)2]^3+}\]

• \[\ce{[Co(NH3)6]^3+}\]

Answer 1

\[\ce{[Co(NH3)2(en)2]^3+}\]