Given the following pair of isomers:
[Cr(NH3)6][Cr(NO2)6] and
[Cr(NH3)4(NO2)2][Cr(NH3)2(NO2)4]
Aside from X-ray diffraction, how could the above pairs of isomers be distinguished from one another?
1. Cryoscopic method
2. Measuring their molar conductance
3. Measuring their magnetic moments
4. Observing their colors
The isomerism displayed by K3[Co(NO2)6] and K3[Co(ONO)6] is:
| 1. | Linkage | 2. | Co-ordination |
| 3. | Ionization | 4. | Geometrical |
The complexes [CO(NH3)6][Cr(CN)6] and [Cr(NH3)6][Co(CN)6] are examples of:
| 1. | lonisation isomerism | 2. | Coordination isomerism |
| 3. | Geometrical isomerism | 4. | Linkage isomerism |
The complex that can exhibit linkage isomerism is:
| 1. | [Co(NH3)5H2O]Cl3 | 2. | [Co(NH3)5(NO2)]Cl2 |
| 3. | [Co(NH3)5NO3](NO3)2 | 4. | [CO(NH3)5Cl]SO4 |
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 geometry and the number of the unpaired electron(s) of \([MnBr_{4}]^{2-}\), respectively, are:
| 1. | Tetrahedral and 1 | 2. | Square planar and 1 |
| 3. | Tetrahedral and 5 | 4. | Square planar and 5 |
| 1. | Geometrical isomerism | 2. | Coordination isomerism |
| 3. | Ionization isomerism | 4. | Linkage isomerism |
The ionization isomer of [Cr(H2O)4Cl(NO2)]Cl is:
| 1. | [Cr(H2O)4(O2N)]Cl2 | 2. | [Cr(H2O)4Cl2](NO2) |
| 3. | [Cr(H2O)4Cl(ONO)]Cl | 4. | [Cr(H2O)4Cl2(NO2)].H2O |
The compound that gives a pair of enantiomorphs is:
(en = NH2 CH2CH2 NH2)
1.
2.
3.
4.
[Co(NH3)4(NO2)2]Cl can show:
| 1. | Linkage isomerism, ionization isomerism, and optical isomerism. |
| 2. | Linkage isomerism, ionization isomerism, and geometrical isomerism. |
| 3. | Ionisation isomerism, geometrical isomerism, and optical isomerism. |
| 4. | Ionisation isomerism, geometrical isomerism, and metamerism. |