Coordination Compounds PYQs - Last 5 Years
COMEDK / Chemistry / Inorganic Chemistry / 37 recent questions
ChemistryInorganic Chemistry2022-2026
Practice 37 COMEDK Chemistry questions from Coordination Compounds. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Chemistry / Inorganic Chemistry
2022-2026
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Last 5 Years Coordination Compounds Questions
Showing 37 of 37 filtered questions.
1Coordination Compounds
\(\text { Match the Coordination compounds in Column I with the type of stereoisomerism given in Column II exhibited by them. }\)
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MCQ+1 / -02026
2Coordination Compounds
The Crystal Field Stabilisation energy of (i) $\left[\mathrm{CoF}_6\right]^{3-}$ and (ii) $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ are ⋯and ⋯⋯ respectively.
MCQ+1 / -02026
3Coordination Compounds
Which one of the following complex-isomerism pair matches correctly?
MCQ+1 / -02026
4Coordination Compounds
Identify the complex which exhibits all 3 characteristics; paramagnetic; high spin configuration; octahedral geometry
MCQ+1 / -02026
5Coordination Compounds
Arrange the following compounds in the decreasing order of the molar conductivities of their aqueous solutions.
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MCQ+1 / -02025
6Coordination Compounds
Match the coordination compounds in Column I having the given type of hybridisation of $\mathrm{M}^{\mathrm{n}+}$ ion and magnetic moment as given in Column II.
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MCQ+1 / -02025
7Coordination Compounds
Which one of the following coordination compounds will exhibit both geometrical and optical isomerism?
MCQ+1 / -02025
8Coordination Compounds
An aqueous solution of $\mathrm{CrCl}_3 .6 \mathrm{H}_2 \mathrm{O}$ (Molar mass $=266.5 \mathrm{~g} / \mathrm{mol}$ ) containing 2.665 g of the solute after processing, when treated with excess of $\mathrm{AgNO}_3$ gave 2.87 g of AgCl (Mola...
MCQ+1 / -02025
9Coordination Compounds
Which of the following compounds has electrons symmetrically distributed in both $\mathrm{t}_{2 \mathrm{~g}}$ and $\mathrm{e}_{\mathrm{g}}$ orbitals?
MCQ+1 / -02025
10Coordination Compounds
Which of the coordination compounds [(i) to (v)] are used for the following processes :
A: Electroplating
B: Removal of excess copper from human body
C: Estimation of hardness of water
(i) DMG
(ii) $\mathrm{Na}_2 \mathrm{EDTA}$
(iii) Cis-pl...
A: Electroplating
B: Removal of excess copper from human body
C: Estimation of hardness of water
(i) DMG
(ii) $\mathrm{Na}_2 \mathrm{EDTA}$
(iii) Cis-pl...
MCQ+1 / -02025
11Coordination Compounds
Arrange the complex ions in the increasing order of their magnetic moments
A. $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$
B. $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
C. $\left[\mathrm{Fe}(\mathrm{CN})_6\right...
A. $\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$
B. $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
C. $\left[\mathrm{Fe}(\mathrm{CN})_6\right...
MCQ+1 / -02025
12Coordination Compounds
Choose the coordination compound which does not exhibit Optical activity.
MCQ+1 / -02025
13Coordination Compounds
A transition metal M forms 4 homoleptic octahedral coordination compounds, $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and D of the type $\left[\mathrm{MX}_6\right]^{z-}$ with monodentate ligands a, b, c and d respectively. These compounds absorb ...
MCQ+1 / -02025
14Coordination Compounds
The correct order of spin only magnetic moments among the following is:
[Given: Atomic numbers: $\mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27$ ]
[Given: Atomic numbers: $\mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27$ ]
MCQ+1 / -02025
15Coordination Compounds
Which one of the following structures in Column I does not have the correct IUPAC name as given in Column II.
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MCQ+1 / -02025
16Coordination Compounds
A Coordination compound is represented by the formula \([\mathrm{CoBr}_3(e n) x]\). This compound required one mole of \(\mathrm{AgNO}_3\) to form a pale yellow precipitate of \(\mathrm{AgBr}\). What is the value of \(\mathrm{x}\) in the co...
MCQ+1 / -02024
17Coordination Compounds
Choose the incorrect statement from the following.
MCQ+1 / -02024
18Coordination Compounds
A d - block metal \(\mathrm{X}(\mathrm{Z}=26)\) forms a compound \([\mathrm{X}(\mathrm{CN})_2(\mathrm{CO})_4]^{+}\). Calculate its spin magnetic moment value.
MCQ+1 / -02024
19Coordination Compounds
Given below are 4 statements. Two of these are correct statements. Identify them.
A. \(\mathrm{Co}^{2+}\) is easily oxidised to \(\mathrm{Co}^{3+}\) in the presence of a strong ligand like \(\mathrm{CN}^{-}\)
B. $$[\mathrm{Fe}(\mathrm{CN})_...
A. \(\mathrm{Co}^{2+}\) is easily oxidised to \(\mathrm{Co}^{3+}\) in the presence of a strong ligand like \(\mathrm{CN}^{-}\)
B. $$[\mathrm{Fe}(\mathrm{CN})_...
MCQ+1 / -02024
20Coordination Compounds
Based on Crystal Field theory, match the Complex ions listed in Column I with the electronic configuration in the d orbitals of the central metal ion listed in Column II.
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MCQ+1 / -02024
21Coordination Compounds
Based on Valence Bond Theory, match the complexes listed in Column I with the number of unpaired electrons on the central metal ion, given in Column II
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MCQ+1 / -02024
22Coordination Compounds
Which of the following 2 compounds exhibit both Geometrical and Structural isomerism?
$$\begin{aligned}
& \mathrm{A}=\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right] \mathrm{NO}_2 \\
& \mathrm{~B}=\left[\mathrm{Co}\left(\m...
$$\begin{aligned}
& \mathrm{A}=\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right] \mathrm{NO}_2 \\
& \mathrm{~B}=\left[\mathrm{Co}\left(\m...
MCQ+1 / -02024
23Coordination Compounds
The molar conductivity of the complex \(\mathrm{CoCl}_3 \cdot 4 \mathrm{NH}_3 \cdot 2 \mathrm{H}_2 \mathrm{O}\) is found to be the same as that of a \(1: 3\) electrolyte. The structural formula of the compound is :
MCQ+1 / -02024
24Coordination Compounds
The type of hybridisation and the spin only magnetic moment for the complex \([\mathrm{Ni}(\mathrm{CO})_4]\) are respectively:
MCQ+1 / -02024
25Coordination Compounds
On the basis of crystal field theory, electronic configuration of a low spin \(\mathrm{d}^4\) complex is:
MCQ+1 / -02024
26Coordination Compounds
Which one of the following Coordination entities exhibits Facial and Meridional isomerism?
MCQ+1 / -02023
27Coordination Compounds
Which one of the following is an incorrect statement pertaining to the properties of Coordination compounds?
MCQ+1 / -02023
28Coordination Compounds
Match the Coordination compounds given in Column I with their characteristic features listed in Column II.
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MCQ+1 / -02023
29Coordination Compounds
Identify the correct IUPAC name of \([\mathrm{CoCl}_2(\mathrm{NO}_2)(\mathrm{NH}_3)_3]\)
MCQ+1 / -02023
30Coordination Compounds
Mohr's salt has the formula
MCQ+1 / -02023
31Coordination Compounds
Which of the following complex show optical isomerism?
(i) \(c i s-\left[\mathrm{COCl}(\mathrm{en})_2\left(\mathrm{NH}_3\right)\right]^{2+}\)
(ii) \(cis-\left[\mathrm{CrCl}_2(\mathrm{ox})_2\right]^{3-}\)
(iii) $$cis-[ \left.\mathrm{CO}(\mat...
(i) \(c i s-\left[\mathrm{COCl}(\mathrm{en})_2\left(\mathrm{NH}_3\right)\right]^{2+}\)
(ii) \(cis-\left[\mathrm{CrCl}_2(\mathrm{ox})_2\right]^{3-}\)
(iii) $$cis-[ \left.\mathrm{CO}(\mat...
MCQ+1 / -02023
32Coordination Compounds
Aqueous \(\mathrm{CuSO}_4\) changes its colour from sky blue to deep blue on addition of \(\mathrm{NH}_3\) because
MCQ+1 / -02023
33Coordination Compounds
The blue colouration obtained from the Lassaigne's test of nitrogen is due to the formation of
MCQ+1 / -02023
34Coordination Compounds
The complex \(\left[\mathrm{PtCl}_2(\mathrm{en})_2\right]^{2+}\) ion shows
MCQ+1 / -02023
35Coordination Compounds
Which among the following is diamagnetic?
MCQ+1 / -02023
36Coordination Compounds
The oxidation state of nickel in [Ni(CO\(_4\))] is
MCQ+1 / -02022
37Coordination Compounds
The complex which does not show optical isomerism is
MCQ+1 / -02022