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Q. No.Match the complexes from List-I with their corresponding type of isomerism from List-II:
Choose the correct option:
1. A-I, B-III, C-IV, D-II
2. A-I, B-IV, C-III, D-II
3. A-II, B-IV, C-III, D-I
4. A-II, B-III, C-IV, D-I
| List-I (Complex) | List-II (Type of isomerism) |
||
| A. | \(\mathrm{\left[{Co}\left({NH}_3\right)_5\left({NO}_2\right)\right] {Cl}_2}\) | I. | Solvate isomerism |
| B. | \(\mathrm{\left[{Co}\left({NH}_3\right)_5\left({SO}_4\right)\right] {Br}}\) | II. | Linkage isomerism |
| C. | \(\mathrm{\left[{Co}\left({NH}_3\right)_6\right]\left[{Cr}({CN})_6\right]}\) | III. | Ionization isomerism |
| D. | \(\mathrm{\left[{Co}\left({H}_2 {O}\right)_6\right] {Cl}_3}\) | IV. | Coordination isomerism |
1. A-I, B-III, C-IV, D-II
2. A-I, B-IV, C-III, D-II
3. A-II, B-IV, C-III, D-I
4. A-II, B-III, C-IV, D-I
Subtopic: Isomerism in Coordination Compounds |
77%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements :
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False.
2. Statement I is True and Statement II is False.
3. Statement I is False but Statement II is True.
4. Both Statement I and Statement II are True.
| Statement I : | Both \(\left[\text{Co}\left(\text{NH}_3\right)_6\right]^{3+}\) and \(\left[\text{CoF}_6\right]^{3-}\) Complexes are octahedral but differ in their magnetic behaviour. |
| Statement II : | \(\left[\text{Co}\left(\text{NH}_3\right)_6\right]^{3+}\) is diamagnetic whereas \(\left[\text{CoF}_6\right]^{3-}\) is paramagnetic. |
1. Both Statement I and Statement II are False.
2. Statement I is True and Statement II is False.
3. Statement I is False but Statement II is True.
4. Both Statement I and Statement II are True.
Subtopic: VBT, CFT & their Limitations |
74%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements :
In light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False.
2. Statement I is True but Statement II is False.
3. Statement I is false but Statement II is True.
4. Both Statement I and Statement II are True.
| Statement I: | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\) is a homoleptic complex, whereas \([Co(NH_3)_4 Cl_2]^+\) is a heteroleptic complex. |
| Statement II: | Complex \([Co(NH_3)_6]^{3+}\) has only one kind of ligand but \([Co(NH_3)_4 Cl_2]^+\) has more than one kind of ligands. |
1. Both Statement I and Statement II are False.
2. Statement I is True but Statement II is False.
3. Statement I is false but Statement II is True.
4. Both Statement I and Statement II are True.
Subtopic: Introduction, Classification and Nomenclature |
85%
Level 1: 80%+
NEET - 2024
Hints
The correct 'spin only' magnetic moments of \([\text{CoF}_6]^{3-}\) and \(\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}\) respectively, are:
| 1. | 0 BM and 4.9 BM | 2. | 0 BM and 0 BM |
| 3. | 4.9 BM and 0 BM | 4. | 4.9 BM and 4.9 BM |
Subtopic: VBT, CFT & their Limitations |
72%
Level 2: 60%+
NEET - 2024
Hints
Match the complex ions in List-I with their corresponding hybridization in List-II.
Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-III, B-I, C-IV, D-II
3. A-I, B-II, C-III, D-IV
4. A-III, B-IV, C-II, D-I
| List -I (Complex ion) |
List -II (Hybridisation) |
||
| A. | \([\mathrm{Ni}(\mathrm{CN})_4]^{2-}\) | I. | \(s p^3 \) |
| B. | \(\mathrm{[CoF_6}]^{3-}\) | II. | \( d^2sp^3 \) |
| C. | \([\mathrm{Co}(\mathrm{C}_2 \mathrm{O}_4)_3 ]^{3-}\) | III. | \(s p^3d^2\) |
| D. | \(\mathrm{[NiCl_4}]^{2-}\) | IV. | \(dsp^2\) |
Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-III, B-I, C-IV, D-II
3. A-I, B-II, C-III, D-IV
4. A-III, B-IV, C-II, D-I
Subtopic: VBT, CFT & their Limitations |
84%
Level 1: 80%+
NEET - 2024
Hints
The crystal field stabilisation energy (CFSE) and the 'spin only' magnetic moment of \(\mathrm{[FeF_6]^{3-}}\) ion respectively, are:
1. \(0~\Delta~\text{and}~5.9~\text{BM}\)
2. \(0~\Delta~\text{and}~1.73~\text{BM}\)
3. \(2.0~\Delta~\text{and}~5.9~\text{BM}\)
4. \(2.0~\Delta~\text{and}~1.73~\text{BM}\)
1. \(0~\Delta~\text{and}~5.9~\text{BM}\)
2. \(0~\Delta~\text{and}~1.73~\text{BM}\)
3. \(2.0~\Delta~\text{and}~5.9~\text{BM}\)
4. \(2.0~\Delta~\text{and}~1.73~\text{BM}\)
Subtopic: VBT, CFT & their Limitations |
70%
Level 2: 60%+
NEET - 2024
Hints
Homoleptic complex from the following complexes is:
1. Triamminetriaquachromium (III)
2. Potassium trioxalatoaluminate (III)
3. Diamminechloridonitrito-N-platinum (II)
4. Pentaamminecarbonatocobalt (III) chloride
1. Triamminetriaquachromium (III)
2. Potassium trioxalatoaluminate (III)
3. Diamminechloridonitrito-N-platinum (II)
4. Pentaamminecarbonatocobalt (III) chloride
Subtopic: Introduction, Classification and Nomenclature |
81%
Level 1: 80%+
NEET - 2023
Hints
The most stable compound, among the following, is:
1. [Co(NH3)6]2(SO4)3
2. [Co(NH3)4(H2O)Br](NO3)2
3. [Co(NH3)3(NO3)3]
4. [CoCl2(en)2]NO3
1. [Co(NH3)6]2(SO4)3
2. [Co(NH3)4(H2O)Br](NO3)2
3. [Co(NH3)3(NO3)3]
4. [CoCl2(en)2]NO3
Subtopic: Organometallic Complexes & their Uses |
69%
Level 2: 60%+
NEET - 2023
Hints
Which of the following sets represents a complex and a double salt, respectively?
1. CuSO4.5H2O and CuCl2.4NH3
2. PtCl2.2NH3 and PtCl4.2HCl
3. K2PtCl2.2NH3 and KAl(SO4)2.12H2O
4. NiCl2.6H2O and NiCl2(H2O)4
1. CuSO4.5H2O and CuCl2.4NH3
2. PtCl2.2NH3 and PtCl4.2HCl
3. K2PtCl2.2NH3 and KAl(SO4)2.12H2O
4. NiCl2.6H2O and NiCl2(H2O)4
Subtopic: Introduction, Classification and Nomenclature |
82%
Level 1: 80%+
NEET - 2023
Hints
Type of isomerism exhibited by compounds
[Cr(H2O)6]Cl3, [Cr(H2O)5Cl]Cl2.H2O,
[Cr(H2O)4Cl2]Cl.2H2O and the value of coordination number (CN) of central metal ion in all these compounds, respectively, is:
1. Geometrical isomerism, CN = 2
2. Optical isomerism, CN = 4
3. Ionisation isomerism, CN = 4
4. Solvate isomerism, CN = 6
[Cr(H2O)6]Cl3, [Cr(H2O)5Cl]Cl2.H2O,
[Cr(H2O)4Cl2]Cl.2H2O and the value of coordination number (CN) of central metal ion in all these compounds, respectively, is:
1. Geometrical isomerism, CN = 2
2. Optical isomerism, CN = 4
3. Ionisation isomerism, CN = 4
4. Solvate isomerism, CN = 6
Subtopic: Isomerism in Coordination Compounds |
86%
Level 1: 80%+
NEET - 2023
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