Q. No.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 isomerism displayed by K3[Co(NO2)6] and K3[Co(ONO)6] is:
| 1. | Linkage | 2. | Co-ordination |
| 3. | Ionization | 4. | Geometrical |
[Fe(H2O)6]3+ and [Fe(CN)6]3- differ in:
1. Magnetic nature
2. Oxidation number
3. Co-ordination number
4. Structure
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+
| 1. | Ionisation isomerism |
| 2. | Co-ordination isomerism |
| 3. | Geometrical isomerism |
| 4. | Linkage isomerism |
The correct statement among the following regarding \(FeCO_5\) is:
1. Tetranuclear
2. Mononuclear
3. Trinuclear
4. Dinuclear
Among the following, the compound that has the maximum coordination number is/are:
1. [Co(NH3)6]3+
2. [Cr(C2O4)3]3-
3. [CoCl3(H2O)3]
4. All of the above have the same coordination number
| Assertion (A): | The relation between \(\Delta_t\) and \(\Delta_o\) is \(4\Delta_t = 9 \Delta_o\) . |
| Reason (R): | \(\Delta_o\) is always greater than \(\Delta_t\) for same metal ion and ligand. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
The geometry and magnetic properties of [NiCl4]2-, respectively, are :
1. Tetrahedral, Paramagnetic
2. Tetrahedral, Diamagnetic
3. Square planar, Paramagnetic
4. Square planar, Diamagnetic
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