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CGP EDU Academic Team
Published on: August 14, 2026
The coordination number and the oxidations state of the element E in the complex.
(where (en) is ethylene diamine are, repectively)
Text Solution
Verified by ExpertsThe correct answer is:
A
In the given complex 
ethylene diamine is a bidentate ligand and 
oxalate ion is also bidentate ligand. Therefore co-ordinations number of the complex is 6 i.e., it is an octahedral complex. Oxidations number of E in the given complex is
x + 2 × 0+ 1 × (-2) = +1
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