Q. No.Out of the following complex compounds, which of the compounds will be having the minimum conductance in solution?
| 1. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3 \) | 2. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{Cl} \) |
| 3. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_3 \mathrm{Cl}_3\right] \) | 4. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]\) |
Subtopic: Introduction, Classification and Nomenclature |
Level 3: 35%-60%
NEET - 2025
Please attempt this question first.
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 |
86%
Level 1: 80%+
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
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
The IUPAC name of the following complex is:
[Ag(H₂O)₂][Ag(CN)₂]
1. Diaquasilver(I) dicyanidoargentate (I)
2. Dicyanidosilver(II) diaquaargentate(II)
3. Diaquasilver(II) dicyanidoargentate(II)
4. Dicyanidosilver(I) diaquaargentate(I)
[Ag(H₂O)₂][Ag(CN)₂]
1. Diaquasilver(I) dicyanidoargentate (I)
2. Dicyanidosilver(II) diaquaargentate(II)
3. Diaquasilver(II) dicyanidoargentate(II)
4. Dicyanidosilver(I) diaquaargentate(I)
Subtopic: Introduction, Classification and Nomenclature |
64%
Level 2: 60%+
NEET - 2022
Hints
The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes
CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3 respectively is:
| 1. | 3AgCl, 1AgCl, 2AgCl | 2. | 3AgCl, 2AgCl, 1AgCl |
| 3. | 2AgCl, 3AgCl, 1AgCl | 4. | 1AgCl, 3AgCl, 2AgCl |
Subtopic: Introduction, Classification and Nomenclature |
88%
Level 1: 80%+
NEET - 2017
Hints
The sum of the coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl is:
| 1. | Nine (9) | 2. | Six (6) |
| 3. | Seven (7) | 4. | Eight (8) |
Subtopic: Introduction, Classification and Nomenclature |
62%
Level 2: 60%+
NEET - 2015
Hints
Links
The IUPAC name of complex ion, [Fe(CN)6]3- is:
| 1. | Hexacyanoiron(III) ion | 2. | Hexacyanitoferrate(III) ion |
| 3. | Tricynoferrate(III) ion | 4. | Hexacyanidoferrate(III) ion |
Subtopic: Introduction, Classification and Nomenclature |
79%
Level 2: 60%+
NEET - 2015
Hints
Cobalt(III) chloride forms several octahedral complexes with ammonia.
A compound among the following that does not give a test for chloride ions with silver nitrate at 25 °C is:
| 1. | CoCl3. 3NH3 | 2. | CoCl3. 4NH3 |
| 3. | CoCl3. 5NH3 | 4. | CoCl3. 6NH3 |
Subtopic: Introduction, Classification and Nomenclature |
81%
Level 1: 80%+
NEET - 2015
Hints
Links
A complex ion among the following can absorb visible light is:
(At. no. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
1. [Sc(H2O)3(NH3)3]3+
2. [Ti(en)2 (NH3)2]4+
3. [Cr(NH3)6]3+
4. [Zn(NH3)6]2+
Subtopic: Introduction, Classification and Nomenclature | Ligands |
75%
Level 2: 60%+
AIPMT - 2009
Hints
Links
© 2026 GoodEd Technologies Pvt. Ltd.