Coordination Chemistry- 3 - Chemistry Inorganic Free MCQ Test with solutions

The correct order of wavelength (λ_max) of the halide to metal charge-transfer band of [Co(NH₃)₅Cl]²⁺ (I), [Co(NH₃)₅Br]²⁺ (II) and [Co(NH₃)₅I]²⁺ (III), is 

The purple colour of iodine vapours is due to:

The ground state term symbols for high spin d⁵s¹ and d⁵ configurations, respectively are:

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 strongest ligand in spectro–chemical series is:

[NiCl₂(PPh₃)₂] is paramagnetic with μ_eff = 2.9 BM. All the four ligands are monodentate. The geometry of the molecule is:

A solution containing 2.675 g of CoCl_{3 ·} 6NH₃ (molar mass = 267.5 g mol^–1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO₃ to give 4.78 g of AgCl (molar mass = 143.5 g mol^–1). The formula of the complex is
(At. Mass of Ag = 108 u)

Ground term symbol for Mn²⁺ is:

For which of the following ions is the colour in aqueous solution not caused by any d–d transition?

The cyano complex that exhibit highest value of paramagnetism is:

The ionisation isomer of [Cr(H₂O)₄Cl(NO₂)C] is

An excess of AgNO₃ is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium(III) chloride. The number of moles of AgCl precipitated would be 

Synergic bonding is absent in:

The pair of compounds having metals in their highest oxidation state is

Which of the following complex is high spin?

The absorption of

Correct relat ionship between pairing energy (P) and C.F.S.E (∆₀) in complex ion [Ir(H₂O)₆]³⁺ is:

In which of the following pairs, both the complexes have the same hybridization?

The value of CFSE (∆₀) for complexes given below follow the order:

(I) [Co(NH₃)₆]³⁺
(II) [Rh(NH₃)₆]³⁺
(III) [Ir(NH₃)₆]³⁺

Cr³⁺ form for complexes with four different ligands which are [Cr(Cl)₆]^3–,[Cr(H₂O)₆]³⁺, [Cr(NH₃)₆]³⁺ and [Cr(CN)₆]^3–. The order of CFSE (∆₀) in these complexes is in the order:

The d–orbital, which are stabilized in an octahedral magnetic field, are:

Total number of geometrical isomers for the complex [RhCl(CO)(PPh₃)(NH₃)]is

Which of the following is correct arrangement of ligand in terms of the Dq values of their complexes with any particular ‘hard’ metal ion:

The extent of crystal field splitting in octahedral complexes of the given metal with particular weak field ligand are:

The molar absorptivity at λ_max is minimum for:

A magnetic moment of 1.73 BM will be shown by one among the following

Consider the following two reactions:

According to given information the correct statement (s) is/are:

The value of n for the complex [Fe(CO)₄(SiMe₃)]ⁿ satisfying the 18-electron rule is 

Select correct statement (s) regarding octahedron complex having CFSE = –1.2∆₀.

Which has maximum paramagnetic character?