Optical isomerism is exhibited by among the following is/are:
1. | [Cr(Ox)3]3+ | 2. | [PtCl2(en)2]2+ |
3. | [Cr(NH3)2Cl2en]+ | 4. | All of the above |
The correct splitting diagram of d orbitals in an octahedral crystal field is:
1. | 2. | ||
3. | 4. | None of these. |
[Cr(NH3)6]3+ is paramagnetic ,while is diamagnetic because:
1. | Electrons in the 3d orbitals remain unpaired in |
2. | Electrons in the 3d orbitals remain unpaired in [Cr(NH3)6]3+ |
3. | Electrons in the 3p orbitals remain unpaired in [Cr(NH3)6]3+ |
4. | Electrons in the 3p orbitals remain unpaired in |
The crystal field splitting energy is:
1. | The heat of formation between the two levels (eg and t2g) |
2. | The combined pairing energy of the two levels (eg and t2g) |
3. | The combined energy of the three levels in octahedral |
4. | The combined energy of the two levels ( and ) |
A metal ion present in vitamin B12 is:
1. | Fe(II) | 2. | Co(III) |
3. | Zn(II) | 4. | Ca(II) |
The correct statement among the following regarding \(FeCO_5\) is:
1. Tetranuclear
2. Mononuclear
3. Trinuclear
4. Dinuclear
Number of geometrical isomer(s) possible for the complex [Cr(C2O4)3]3- is/are:
1. | 1 | 2. | 3 |
3. | 0 | 4. | 2 |
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 |
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. | \(e^3 ~t^3_{2g}\) |