11. In a transition metal complex having Oₕ symmetry, which configurations in the following can be classified as E?(A) t₂g⁵eg²(B) t₂g³eg³(C) t₂g⁵eg⁰(D) t₂g⁴eg²(E) t₂g³eg⁰

8. Which of the following statements about the complex ion [Co(en)₂Cl₂]⁺ is correct? (en = ethylenediamine)(A) It has two geometric isomers and two optical isomers.(B) Since en is a strong field ligand, the complex ion is paramagnetic.(C) It has cis and trans geometric isomers, but no optical isomers.(D) The geometric isomers of it have similar properties.(E) The oxidation state of Co is +1.

11. In a transition metal complex having Oₕ symmetry, which configurations in the following can be classified as E?
(A) t₂g⁵eg²
(B) t₂g³eg³
(C) t₂g⁵eg⁰
(D) t₂g⁴eg²

(E) t₂g³eg⁰

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