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] |
The hybridisation of [FeF6]3- is:
1. sp3d2
2. d2sp3
3. dsp3
4. sp3
The coordination number and oxidation number of Co in the complex (NH4)2[CoF4] are:
1. | +2, 4 | 2. | 4, +2 |
3. | 6, +3 | 4. | +3, 6 |
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- |
Number of geometrical isomer(s) possible for the complex [Cr(C2O4)3]3- is/are:
1. | 1 | 2. | 3 |
3. | 0 | 4. | 2 |
[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 |
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 |
The correct statement among the following regarding \(FeCO_5\) is:
1. Tetranuclear
2. Mononuclear
3. Trinuclear
4. Dinuclear
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 |
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. | \(4. \mathrm{CO}\) |