Among the following species, the one that is not expected to be a ligand is:
| 1. | \(\mathrm{NO} \) | 2. | \(\mathrm{NH}_4^{+} \) |
| 3. | \(\mathrm{NH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2 \) | 4. | \(4. \mathrm{CO}\) |
Subtopic: Ligands |
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Level 1: 80%+
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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 |
Subtopic: Ligands |
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Level 2: 60%+
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The complex [Pt (NH3)2Cl(NH2CH3)]Cl correct IUPAC name is:
| 1. | Diamminechlorido(methylamine)platinum(II)chloride |
| 2. | Diamminechloro(aminomethyl)platinum(II)chlorido |
| 3. | Chlorodiammine(methylamine)platinate(II)chloride |
| 4. | Chlorido(methylamine)diammineplatinum(II)chloride |
Subtopic: Introduction, Classification and Nomenclature |
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Level 1: 80%+
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[Cr(H2O)6]Cl3 and [Cr(H2O)5Cl2]Cl.H2O are examples of:
| 1. | Ionisation isomers | 2. | Geometrical isomers |
| 3. | Solvate isomers | 4. | Optical isomers |
Subtopic: Isomerism in Coordination Compounds |
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Number of geometrical isomer(s) possible for the complex [Cr(C2O4)3]3- is/are:
| 1. | 1 | 2. | 3 |
| 3. | 0 | 4. | 2 |
Subtopic: Isomerism in Coordination Compounds |
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Aqueous copper sulphate solution gives a green precipitate of A with aqueous potassium fluoride. What would be the correct molecular formula of A?
1. [CuF6]3–
2. [CuF4]2–
3. [CuF2]–
4. [CuF5]4–
Subtopic: Introduction, Classification and Nomenclature |
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When an excess of aqueous KCN is added to an aqueous solution of copper sulphate, what coordination entity is formed?
| 1. | K2[Cu(CN)6] | 2. | K3[Cu(CN)4] |
| 3. | K2[Cu(CN)4] | 4. | K2[Cu(CN)3] |
Subtopic: Introduction, Classification and Nomenclature |
Level 3: 35%-60%
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Subtopic: VBT, CFT & their Limitations |
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The oxidation number and coordination number of Co in the complex K3[Co(C2O4)3] respectively are:
| 1. | +3, 6
|
2. | +2, 6
|
| 3. | 6, +3
|
4. | +2, 4 |
Subtopic: Introduction, Classification and Nomenclature |
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