Q. No.Number of possible isomers for the complex [Co(en)2Cl2]Cl will be:
(en=ethylenediamine)
1.
2
2.
1
3.
3
4.
4
(en=ethylenediamine)
The complex ion among the following that cannot absorb visible light is:
1. [Ni(CN)4]2-
2. [Cr(NH3)6]3+
3. [Fe(H2O)6]2+
4. [Ni(H2O)6]2+
The isomerism displayed by K3[Co(NO2)6] and K3[Co(ONO)6] is:
| 1. | Linkage | 2. | Co-ordination |
| 3. | Ionization | 4. | Geometrical |
A complex has a molecular formula MSO4Cl.6H2O. Its aqueous solution gives white precipitate with barium chloride solution and no precipitate is obtained when it is treated with silver nitrate solution.
If the secondary valence of the metal is six, the correct representation of the complex is:
1. [M(H2O)4Cl]SO4.2H2O
2. [M(H2O)6]SO4
3. [M(H2O)5Cl]SO4.H2O
4. [M(H2O)3Cl]SO4.3H2O
The correct electronic configuration of the central atom in based on crystal field theory is:
| 1. | \(e^4 ~t_{2 g}^2 \) | 2. | \(t_{2 g}^4 ~e_g^2 \) |
| 3. | \(t_{2 g}^6 ~e_g^0 \) | 4. | \(e^3 ~t^3_{2g}\) |
The complex among the following with the highest value of crystal field splitting energy is :
| 1. | \(\left[Fe \left(H_{2} O\right)_{6}\right]^{+ 3}\) | 2. | \(\left[Ru \left( CN \right)_{6}\right]^{3 -}\) |
| 3. | \(\left[Fe \left(H_{2} O\right)_{6}\right]^{+ 2}\) | 4. | \(\left[Fe \left(NH_{3}\right)_{6}\right]^{3 +}\) |
Which of the following correctly represents the structural formulas of the complexes PtCl₄·2NH₃ and PtCl₄·2KCl, respectively, if neither forms an AgCl precipitate with AgNO₃,
while one mole of each produces zero and three moles of ions in solution, respectively?
1. [PtCl₂(NH₃)₂]Cl₂ and K₂[PtCl₆]
2. [PtCl₄(NH₃)₂] and K₂[PtCl₂(NH₃)₂]
3. [PtCl₄(NH₃)₂] and K₂[PtCl₆]
4. PtCl₄·2NH₃ and PtCl₄·2KCl
Which of the following compounds has the maximum coordination number?
1. [Co(NH3)6]3+
2. [Cr(C2O4)3]3-
3. [CoCl3(H2O)3]
4. All of the above have the same coordination number
The geometry and magnetic properties of [NiCl4]2-, respectively, are :
1. Tetrahedral, Paramagnetic
2. Tetrahedral, Diamagnetic
3. Square planar, Paramagnetic
4. Square planar, Diamagnetic
For a tetrahedral complex [MCl4]2-, the spin-only magnetic moment is 3.83 B.M. The element M is:
1. Co
2. Cu
3. Mn
4. Fe
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