What is the sum of the oxidation number of cobalt in [Co(H2O)(CN)(en)2 – McqOptions

MCQOPTIONS

1.	What is the sum of the oxidation number of cobalt in [Co(H2O)(CN)(en)2]2+and [CoBr2(en)2]+?
A.	+3
B.	+4
C.	+5
D.	+6
Answer» E.

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