Test: Coordination Chemistry- 2

The magnetic moment of the complex K₃[CoF₆] is 5.0 μ_B . The total stabilization energy will be:

For the complexion [Cu(NH₃)₆]²⁺,the coordination geometry will be:

The correct statement about the Cu–N bond distance in [Cu(NH₃)₆]²⁺ is:

Hybridizat ion of Ni(II) in K₂[NiBr₄] is:

Which of the following shows NORMAL spinel structure:

CFSE of transition metal complexes can be determined by:

Which of the following pairs of electronic configuration of high–spin transition metal ions (3d) in an octahedral field undergo a substantial Jahn–Teller distortion:

Jahn–Teller distortion of CuSO₄.5H₂O acts to:

According to the crystal field theory, Ni²⁺ can have two unpaired electron in:

For the complexes:

(I) [Ni(H₂O)₆]²⁺
(II) [Mn(H₂O)₆]²⁺
(III) [Cr(H₂O)₆]³⁺
(IV) [Ti(H₂O)₆]³⁺ ,

The ideal octahedral geometry will not be observed in:

The enthalpies of hydration of Ca²⁺, Mn²⁺, Zn²⁺ follow the order:

The correct order of acidity among the following species is:

The correct order of d-orbital splitting in a trigonal bipyramidal geo metry is:

It is known that pK_a of water is 15.7. Based on this water pK_a benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn²⁺(H₂O)₆ , Fe³⁺(H₂O)₆, Cu²⁺(H₂O)₆ ,Ca²⁺(H₂O)₆

The pair of simple and inverse spinels respectively is:

Stabilization of highest oxidation states of transition metals by strong electronegative ligands due to:

Which metal ions have zero CFSE?

The volume (in mL) of 0.1 M AgNO₃ required for complex precipitation of chloride ions present in 30 mL of 0.01 M solution of [Cr(H₂O)₅Cl]Cl₂, as silver chloride is close to

The pale colour of is due to:

MnCr₂O₄ is:

The number of donor sites in dimethyl glyoxime, glycinato, diethylene triamine and EDTA are respectively:

Among the complexes:

(I) K₄[F_e(CN)₆],
(II) K₃[Co(CN)₆],
(III) K₄[Mn(CN)₆], Jahn – Teller  distortion is expected in.

The complex [Fe(phen)₂(NCS)₂]   (phen = 1,10–phenanthroline) shows spin cross–over behavior.CFSE and µ_eff at 250 and 150 K, respectively are:

Given that the expected spin-only magnetic moment for (Et4N)₂[NiCl₄] is 2.83 BM, the total number of unpaired electrons in this complex is.

Of the following metal ions, which has the largest magnetic moment in its low-spin octahedral complexes?

The electronic configurations that have orbital angular momentum contribution in octahedral environment are:

The colour of potassium dichromate is due to: