Q. No.What is the correct electronic configuration of the central atom in \(K_{4}FeCN_{6}\) based on crystal field theory:
| 1. | \(e^{4} t_{2 g}^{ 2}\) | 2. | \(t_{2 g}^{ 4} e_{g}^{2}\) |
| 3. | \(t_{2 g}^{ 6} e_{g}^{0}\) | 4. | \(e^{3} t_{2 g}^{ 3}\) |
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 |
| 1. | Geometrical isomerism | 2. | Coordination isomerism |
| 3. | Ionization isomerism | 4. | Linkage isomerism |
An ion, among the following, that has a magnetic moment of 2.84 BM is:
(At. no. Ni = 28, Ti = 22, Cr = 24, Co = 27)
1. Ni2+
2. Ti3+
3. Cr2+
4. Co2+
The correct statement, among the following, regarding [Mn(CN)6]3- is:
1. It is sp3d2 hybridised and octahedral in shape
2. It is sp3d2 hybridised and tetrahedral in shape
3. It is d2sp3 hybridised and octahedral in shape
4. It is dsp2 hybridised and square planar in shape
The IUPAC name of [\(\mathrm {C r \left(en\right)_{3}}\)]\(\mathrm{C l}_{3}\) is:
| 1. | Triethylenediaminechromium (III) chloride |
| 2. | Tris(ethylenediammine)chromium (II) chloride |
| 3. | Tris(ethylenediamine)chromium (III) chloride |
| 4. | Tris(ethylenediammine)chromium (I) chloride |
Cobalt(III) chloride forms several octahedral complexes with ammonia.
A compound among the following that does not give a test for chloride ions with silver nitrate at 25 °C is:
| 1. | CoCl3. 3NH3 | 2. | CoCl3. 4NH3 |
| 3. | CoCl3. 5NH3 | 4. | CoCl3. 6NH3 |
The geometry and magnetic properties of [NiCl4]2-, respectively, are :
1. Tetrahedral, Paramagnetic
2. Tetrahedral, Diamagnetic
3. Square planar, Paramagnetic
4. Square planar, Diamagnetic
[Cr(H2O)6]Cl3, [Cr(H2O)5Cl]Cl2.H2O,
[Cr(H2O)4Cl2]Cl.2H2O and the value of coordination number (CN) of central metal ion in all these compounds, respectively, is:
1. Geometrical isomerism, CN = 2
2. Optical isomerism, CN = 4
3. Ionisation isomerism, CN = 4
4. Solvate isomerism, CN = 6
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