AIEEE 2006 | Coordination Compounds Question 256 | Chemistry

Nickel (Z = 28) combines with a uninegative monodentate ligand X^– to form a paramagnetic complex [NiX₄]²⁻ . The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively

one, tetrahedral

two, tetrahedral

one, square planar

two, square planar

AIEEE 2005

MCQ (Single Correct Answer)

-1

The oxidation state of Cr in [Cr(NH₃)₄Cl₂]⁺ is :

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