Which of the following complexes is/are heteroleptic?
| (a) | \(\mathrm{[Co(NH}_{3})_6{ }]^{3+}\) | (b) | \(\mathrm[{Fe}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2]^{+}\) |
| (c) | \(\operatorname[{Mn}(\mathrm{CN})_6]^{4-}\) | (d) | \([\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2]\) |
| 1. | (a, b) | 2. | (b, c) |
| 3. | (c, d) | 4. | (b, d) |
| Column I | Column II | ||
| a. | K3[Fe(C2O4)3] | i. | Diamminechlorido(methylamine) platinum(II) chloride |
| b. | [Co(NH3)5Cl]Cl2 | ii. | Potassium trioxalatoferrate(III) |
| c. | [Pt(NH3)2Cl(NH2CH3)]Cl | iii. | Potassium tetrachlorido palladate(II) |
| d. | K2[PdCl4] | iv. | Pentaamminechloridocobalt(III) chloride |
Which of the following complex is/are homoleptic:
| a. | \( {\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}} \) | b. | \( {\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right]^{2+}} \) |
| c. | \( {\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}}\) | d. | \(\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]\) |
Choose the correct option.
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
| 1. | –1 | 2. | 0 |
| 3. | +1 | 4. | +2 |
| 1. | K[Zn(OH)4] | 2. | K2[Zn(OH)4] |
| 3. | K3[Zn(OH)4] | 4. | K4[Zn(OH)4] |
The correct IUPAC name of [Pt(NH
1. Diamminedichloridoplatinum (ll)
2. Diamminedichloridoplatinum (lV)
3. Diamminedichloridoplatinum (0)
4. Dichloridodiammineplatinum (lV)
Which one of the following statements is incorrect?
| 1. | Greater the stability constant of a complex greater its stability. |
| 2. | Hardness of water is estimated by simple titration with Na2EDTA. |
| 3. | The metal-carbon bond in metal carbonyls possesses both σ and π characters. |
| 4. | Chelate complexes have low stability than similar complexes containing unidentate ligands. |