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Coordination Compounds Questions

Practice 94 Coordination Compounds questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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94
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21
Easy
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55
Medium
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18
Hard
Practice by Exam:Chemistry(91)CHEMISTRY(3)

About Coordination Compounds — practice questions, PYQs & concepts

Coordination Compounds is a frequently-tested topic on Chemistry, CHEMISTRY. ExamTest.live currently lists 94 Coordination Compounds questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Coordination Compounds weight in competitive exams

Across our Coordination Compounds question bank, the largest sources are Chemistry (91) and CHEMISTRY (3). Click any exam chip above to drill down to that exam-specific question set.

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All Coordination Compounds Questions(1–94 of 94)

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Q1easymcqChemistryAIEEE2026
0% accuracy
The oxidation state of in is:
Q2easymcqChemistryAIEEE2026
0% accuracy
The IUPAC name of the coordination compound is:
Q3mediummcqChemistryAIEEE2026
0% accuracy
Which of the following compounds shows optical isomerism?
Q4mediummcqChemistryAIEEE2026
0% accuracy
Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?
Q5mediummcqChemistryAIEEE2026
0% accuracy
The value of the 'spin only' magnetic moment for one of the following configurations is . The correct one is:
Q6easymcqChemistryAIEEE 20062026
0% accuracy
How many (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a ion?
Q7easymcqChemistryAIEEE 20062026
0% accuracy
The IUPAC name for the complex is:
Q8mediummcqChemistryAIEEE 20062026
0% accuracy
Nickel () combines with a uninegative monodentate ligand to form a paramagnetic complex . The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively:
Q9easymcqChemistryAIEEE 20062026
0% accuracy
In , the bond possesses:
Q10easymcqChemistryAIEEE 20062026
0% accuracy
The “spin-only” magnetic moment [in units of Bohr magneton, ()] of in aqueous solution would be (Atomic number of ):
Q11mediummcqChemistryAIEEE 20072026
0% accuracy
Which one of the following has a square planar geometry?
Q12hardmcqChemistryNEET (UG) 20172026
0% accuracy
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of is:
Q13mediummcqChemistryNEET (UG) 20172026
0% accuracy
The correct order of the stoichiometries of formed when in excess is treated with the complexes: respectively is:
Q14mediummcqChemistryNEET (UG) 20172026
0% accuracy
Pick out the correct statement with respect to :
Q15easymcqChemistryNEET (UG) 20172026
0% accuracy
An example of a sigma bonded organometallic compound is:
Q16hardmcqChemistryNEET (UG) 20172026
0% accuracy
and both when dissolved in water containing ions the pair of species formed is:
Q17mediummcqChemistryNEET 20192026
0% accuracy
What is the correct electronic configuration of the central atom in K
4
​
[Fe(CN)
6
​
] based on crystal field theory?
Q18mediummcqChemistryNEET (UG) 20182026
The geometry and magnetic behaviour of the complex are:
Q19mediummcqCHEMISTRYNEET 20192026
The crystal field stabilization energy (CFSE) for is . The CFSE for will be:
Q20mediummcqChemistryNEET 2020 E12026
The calculated spin only magnetic moment of ion is:
Q21mediummcqCHEMISTRYNEET 20192026
The number of hydrogen bonded water molecule(s) associated with is:
Q22mediummcqCHEMISTRYNEET 20192026
Aluminium chloride in acidified aqueous solution forms a complex 'A'. The formula of A and hybridisation state of in 'A' is respectively:
Q23easymcqChemistryNEET 20232026
Which complex compound is most stable?
Q24mediummcqChemistryNEET (UG) 20182026
The type of isomerism shown by the complex is:
Q25easymcqChemistryNEET (UG) 20182026
Iron carbonyl, is:
Q26mediummcqChemistryNEET (UG) 20182026
Match the metal ions given in Column I with the spin magnetic moments given in Column II:Column I: (a) (b) (c) (d) Column II: (i) BM (ii) BM (iii) BM (iv) BM (v) BM
Q27hardmcqChemistryNEET 20172026
Pick out the correct statement with respect to :
Q28easymcqChemistryNEET 20172026
An example of a sigma bonded organometallic compound is:
Q29hardmcqChemistryNEET 20172026
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of is:
Q30easymcqChemistryNEET (UG) 20242026
Given statements:Statement I: is homoleptic, while is heteroleptic.Statement II: has one type of ligand, whereas has more than one type.
Q31mediummcqChemistryJEE Main2026
Which of the following complex species is not expected to exhibit optical isomerism?
Q32easymcqChemistryAIEEE 20122026
Which among the following will be named as dibromidobis(ethylenediamine)chromium(III) bromide?
Q33mediummcqChemistryFIITJEE AIEEE 2011 (Set Q)2026
The magnetic moment (spin only) of is:
Q34mediummcqChemistryFIITJEE AIEEE 2011 (Set Q)2026
Which of the following facts about the complex is wrong?
Q35mediummcqChemistryAIEEE2026
Which one of the following has an optical isomer? (en = ethylenediamine)
Q36mediummcqChemistryAIEEE2026
A solution containing of (molar mass ) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of to give of (molar mass ). The formula of the complex is (At. Mass of ):
Q37mediummcqChemistryAIEEE 20092026
Which of the following pairs represents linkage isomers?
Q38mediummcqChemistryAIEEE 20092026
Which of the following has an optical isomer?
Q39mediummcqChemistryNEET 2020 E12026
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?
Q40mediummcqChemistryNEET (UG) 20242026
Given below are two statements:Statement I: Both and complexes are octahedral but differ in their magnetic behavior.Statement II: is diamagnetic, whereas is paramagnetic.
Q41mediummcqChemistryNEET (UG) 20242026
Match List I with List II regarding isomerism in coordination compounds:
image
Q42mediummcqChemistryNEET 20172026
The correct order of the stoichiometries of formed when in excess is treated with the complexes: respectively is:
Q43easymcqChemistryNEET 20232026
Homoleptic complex from the following complexes is:
Q44hardmcqChemistryNEET 20222026
The order of energy absorbed which is responsible for the color of complexes:(A) (B) (C)
Q45mediummcqChemistryNEET 20222026
The IUPAC name of the complex is:
Q46hardmcqChemistryNEET 20212026
Match List - I with List - II:
image
Q47easymcqChemistryNEET 20212026
Ethylenediaminetetraacetate () ion is:
Q48hardmcqChemistryNEET 20172026
and both when dissolved in water containing ions the pair of species formed is:
Q49hardmcqChemistryChemistry
0% accuracy
The correct order of the wavelength of light absorbed by the following complexes is,A. B. C. D. Choose the correct answer from the options given below:
Q50hardmcqChemistryChemistry
3% accuracy
Which of the following are paramagnetic?A. B. C. D. E. Choose the correct answer from the options given below:
Q51hardmcqChemistryChemistry
0% accuracy
Out of the following complex compounds, which of the compound will be having the minimum conductance in solution?
Q52hardmcqChemistryChemistry
3% accuracy
Given below are two statements:Statement I: Ferromagnetism is considered as an extreme form of paramagnetism.Statement II: The number of unpaired electrons in a ion () is the same as that of a ion ().In the light of the above statements, choose the correct answer from the options given below:
Q53mediummcqChemistryChemistry
0% accuracy
Which one of the following is an inner orbital complex as well as diamagnetic in behaviour ?
(Atomic no. : Zn = 30, Cr = 24, Co = 27, Ni = 28)
Q54mediummcqChemistryChemistry
0% accuracy
Which one of the following is expected to exhibit optical isomerism ?
(en = ethylenediamine)
Q55mediummcqChemistryChemistry
0% accuracy
The complex will have how many geometrical isomers?
Q56mediummcqChemistryChemistry
0% accuracy
The complexes and are the examples of which type of isomerism?
Q57mediummcqChemistryChemistry
0% accuracy
Of the following complex ions, which is diamagnetic in nature?
Q58mediummcqChemistryChemistry
0% accuracy
The -electron configurations of and are and respectively. Which one of the following will exhibit minimum paramagnetic behaviour?
Q59hardmcqChemistryChemistry
Assertion : Potassium ferrocyanide is diamagnetic whereas potassium ferricyanide is paramagnetic.Reason : Crystal field splitting in ferrocyanide ion is greater than that of ferricyanide ion.
Q60mediummcqChemistryChemistry
Out of , , and , the colourless species are:
Q61mediummcqChemistryChemistry
Which of the following complexes exhibits the highest paramagnetic behaviour?(At. number )
Q62mediummcqChemistryChemistry
The -electron configurations of , , and are , , and respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour?
Q63mediummcqChemistryChemistry
Which of the following will give a pair of enantiomorphs? ()
Q64mediummcqChemistryChemistry
(at. No. of Cr = 24) has a magnetic moment of 3.83 BM, the correct distribution of electrons in the chromium of the complex is :
Q65hardmcqChemistryChemistry
exhibits :
Q66mediummcqChemistryChemistry
Copper sulphate dissolves in excess of KCN to give :
Q67easymcqChemistryChemistry
Which of the following ions will exhibit colour in aqueous solutions?
Q68hardmcqChemistryChemistry
The correct order for the wavelength of absorption in the visible region is:
Q69mediummcqChemistryChemistry
The diamagnetic species is:
Q70hardmcqChemistryChemistry
In which of the following pairs both the complex's show optical isomerism?
Q71mediummcqChemistryChemistry
An aqueous solution of on addition of excess of concentrated turns blue due to formation of:
Q72mediummcqChemistryChemistry
Which one of the following is an inner orbital complex as well as diamagnetic in behaviour ?
Q73mediummcqChemistryChemistry
Which of the following has longest bond length? (Free bond length in is ).
Q74hardmcqChemistryChemistry
The correct increasing order of trans-effect of the following species is:
Q75hardmcqChemistryChemistry
Jahn-Teller effect is not observed in high spin complexes of:
Q76mediummcqChemistryChemistry
Low spin complex of -cation in an octahedral field will have the following energy: ( = Crystal Field Splitting Energy, = Electron pairing energy)
Q77mediummcqChemistryChemistry
The sum of coordination number and oxidation number of metal in the complex (Where is ethylenediamine) is:
Q78mediummcqChemistryChemistry
The hybridization involved in complex is: (Atomic number of )
Q79easymcqChemistryChemistry
The name of complex ion, is:
Q80easymcqChemistryChemistry
Which of the following complexes is used as an anticancer agent?
Q81easymcqChemistryChemistry
Magnetic moment is given by which of the following ions? (At. no. )
Q82mediummcqChemistryChemistry
Among the following complexes, the one which shows Zero crystal field stabilisation energy (CFSE) is:
Q83mediummcqChemistryChemistry
An excess of is added to of a solution of . The number of moles of precipitated would be:
Q84mediummcqChemistryChemistry
A magnetic moment of will be shown by:
Q85mediummcqChemistryChemistry
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
Q86mediummcqChemistryChemistry
Which of the following does not show optical isomerism?
Q87hardmcqChemistryChemistry
Red precipitate is obtained when ethanol solution of dimethylglyoxime (DMG) is added to ammoniacal . Which of the following statements is NOT true?
Q88mediummcqChemistryChemistry
Which of the following carbonyls will have the strongest bond?
Q89mediummcqChemistryChemistry
Which of the following complex compounds will exhibit highest paramagnetic behaviour?
Q90easymcqChemistryChemistry
Crystal field stabilization energy for high spin octahedral complex is:
Q91easymcqChemistryChemistry
The existence of two different coloured complexes with the composition of is due to:
Q92easymcqChemistryChemistry
Which of the following complex ion is not expected to absorb visible light?
Q93mediummcqChemistryChemistry
Number of possible isomers for the complex will be: ( = ethylene diamine)
Q94mediummcqChemistryChemistry
Which of the following complex ions is expected to absorb visible light?

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