- 1(current)
Q. No.When 0.1 mol CoCl3(NH3)5 is treated with an excess of AgNO3, 0.2 mol of AgCl is obtained. The conductivity of the solution will correspond to:
1. 1:3 electrolyte
2. 1:2 electrolyte
3. 1:1 electrolyte
4. 3:1 electrolyte
When 1 mole of is treated with excess of 3 moles of are obtained. The formula of the complex is:
1. [CrCl3(H2O)3].3H2O
2. [CrCl2(H2O)4]Cl.2H2O
3. [CrCl3(H2O)5]Cl2.H2O
4. [Cr(H2O)6]Cl3
The correct IUPAC name of [Pt(NH
1. Diamminedichloridoplatinum (ll)
2. Diamminedichloridoplatinum (lV)
3. Diamminedichloridoplatinum (0)
4. Dichloridodiammineplatinum (lV)
The stabilization of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
| 1. | Fe(CO)5 | 2. | \(\mathrm{Fe(CN)_{6}^{3-}}\) |
| 3. | \(\mathrm{Fe(C_{2}O_{3})_{3}^{3-}}\) | 4. | \(\mathrm{[Fe(H_{2}O)_{6}]^{3+}}\) |
IUPAC name of is:
1. Platinum diaminechloronitrite
2. Chloronitrito-N-ammineplatinum (ll)
3. Diamminechloridonitrito-N-platinum (ll)
4. Diamminechloronitrito-N-platinate (ll)
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)
Which of the following complexes is/are heteroleptic?
| (a) | \(\mathrm{CoNH}_{36}{ }^{3+}\) | (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) |
Match the compounds given in Column I with the oxidation state of Cobalt is given in column II and assigns the correct code.
|
Column I |
Column II |
||
| A. | \(\mathrm{Co}(\mathrm{NCS})\left(\mathrm{NH}_3\right)_5\left(\mathrm{SO}_3\right)\) | 1. | +4 |
| B. | \(\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2 \mathrm{SO}_4\) | 2. | +2 |
| C. | \(\mathrm{Na}_4 \mathrm{Co}\left(\mathrm{S}_2 \mathrm{O}_3\right)_3\) | 3. | 0 |
| D. | \(\mathrm{Co}_2(\mathrm{CO})_8\) | 4. | +3 |
Codes:
| A | B | C | D | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 1 | 5 | 2 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 1 | 2 | 3 |
- 1(current)
Q. No.
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