AIEEE 2006 | Coordination Compounds Question 258 | 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 :

AIEEE 2005

MCQ (Single Correct Answer)

-1

The IUPAC name of the coordination compound K₃[Fe(CN)₆] is

Potassium hexacyanoferrate (II)

Potassium hexacyanoferrate (III)

Potassium hexacyanoiron (II)

Tripotassium hexcyanoiron (II)

AIEEE 2005

MCQ (Single Correct Answer)

-1

The value of the ‘spin only’ magnetic moment for one of the following configurations is 2.84 BM. The correct one is :

d⁴ (in strong ligand field)

d⁴ (in weak ligand field)

d³ (in weak as well as in strong fields)

d⁵ (in strong ligand field)

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