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 correct statements about ethane-1,2-diamine as a ligand are:
(a) | It is a neutral ligand |
(b) | It is a bidentate ligand |
(c) | It is a chelating ligand |
(d) | It is a unidentate ligand |
1. | a and b | 2. | b and c |
3. | a, b and c | 4. | a, c and d |
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
Number of geometrical isomer(s) possible for the complex [Cr(C2O4)3]3- is/are:
1. | 1 | 2. | 3 |
3. | 0 | 4. | 2 |
The isomerism displayed by K3[Co(NO2)6] and K3[Co(ONO)6] is:
1. | Linkage | 2. | Co-ordination |
3. | Ionization | 4. | Geometrical |
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+
Number of possible isomers for the complex [Co(en)2Cl2]Cl will be:
(en=ethylenediamine)
1. | 2 | 2. | 1 |
3. | 3 | 4. | 4 |
The correct statement among the following regarding \(FeCO_5\) is:
1. Tetranuclear
2. Mononuclear
3. Trinuclear
4. Dinuclear
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. | \(\left[Fe \left(NH_{3}\right)_{6}\right]^{3 +}\) |
Two complexes, and , do not give a precipitate of AgCl when treated with . They give zero and three moles of ions, respectively, in solutions for one mole of the complex. The structural formulae of both complexes are:
1. and
2. and
3. and
4. and