Question

E.A.N of cobalt in [Co (en)2 Br2] SO4 is​

Answer 1

Which means that it uses two donor atoms to bind to the central cobalt atom. Therefore, the coordination number of cobalt in the Co(en)2Br+2 complex ion is equal to 6 . The coordination number of Co in [Co(en)2Br2]+ is 6.