Download PDF
Free download in PDF Coordination Compounds Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like IIT-JEE, AIIMS etc. These short solved questions or quizzes are provided by Gkseries.
(21)
Which one of the following statement is incorrect?
[A]
Greater the formation of (Kf) of a complex ion, greater is its stability
[B]
Greater the positive charge one the central metal ion, greater is the stability of the complex
[C]
Greater is the basic character of the ligand, lesser is the stability of the complex
[D]
Chelate complexes have high stability constants
Answer: Greater is the basic character of the ligand, lesser is the stability of the complex
(22)
Among the following ions which one has the highest paramagnetism
[A]
[Cr(H2O)6]3+
[B]
[Fe(H2O)6]2+
[C]
[Cu(H2O)6]2+
[D]
[Zn(H2O)6]2+
(23)
Among the following, the compound that I both paramagnetic and coloured is
[A]
K2Cr2O7
[B]
(NH4)2[LiCl6]
[C]
VOSO4
[D]
K3[Cu(CN)4]
(24)
The magnetic moment of [NiX4]2– ion is found to be zero. Then the metal of the complex ion is (X = monodentate anionic ligand).
[A]
sp3 hybridized
[B]
spd2 hybridised
[C]
dsp2 hybridized
[D]
All of these
(25)
Which of the following complex shows ionization isomerism
[A]
[Cr(NH3)6]Cl3
[B]
[Cr(en)2]Cl2
[C]
[Cr(en)3]Cl3
[D]
[CoBr(NH3)5]SO4
(26)
The IUPAC name of Xe[PtF6] is
[A]
Hexafluoridoplatinate (VI) xenon
[B]
Xenol hexafluoridoplatinate (V)
[C]
Xenon hexafluoridoplatinate (VI)
[D]
None Of The Above
Answer: Xenol hexafluoridoplatinate (V)
(27)
The number of ions formed, when bis (ethane-1, 2-diamine)copper (II) sulpahte is dissolve in water will be:
[A]
1
[B]
2
[C]
3
[D]
None Of The Above
(28)
The ______ sphere is enclosed in brackets in formulas for complex species, and it includes the central metal ion plus the coordinated groups.
[A]
ligand
[B]
donor
[C]
oxidation
[D]
coordination
(29)
(Valance Bond Theory) Magnetic measurements indicate that [Co(OH2)6]2+ has 3 unpaired electrons. Therefore, the hybridization of the metal's orbitals in [Co(OH2)6]2+ is:
[A]
sp3
[B]
sp2d
[C]
dsp2
[D]
sp3d2
(30)
A molecule that cannot be superimposed on its mirror image is said to exhibit which of the following?
[A]
geometrical isomerism
[B]
optical isomerism
[C]
linkage isomerism
[D]
reactive isomerism
Answer: optical isomerism
31
(Crystal Field Theory) Consider the complex ion [Mn(OH2)6]2+ with 5 unpaired electrons. Which response includes all the following statements that are true, and no false statements?
I. It is diamagnetic.
II. It is a low spin complex.
III. The metal ion is a d5 ion.
IV. The ligands are weak field ligands.
V. It is octahedral.
[A]
I, II
[B]
III, IV, V
[C]
I, IV
[D]
II, V
32
(Crystal Field Theory) When the valence d orbitals of the central metal ion are split in energy in an octahedral ligand field, which orbitals are raised least in energy?
[A]
dxy and dx2-y2
[B]
dxy, dxz and dyz
[C]
dxz and dyz
[D]
None of the above
Take Mock Tests