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Chemistry - Coordination Compounds

Practise 53 JEE Advanced previous year questions on Coordination Compounds, compiled from papers spanning 2006 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty JEE Advanced tests.

Coordination Compounds has been asked in 21 of the 27 years of JEE Advanced papers analysed (2000–2026), with 53 questions in all. 26% of them were easy, 60% moderate and 13% tough. Most of its questions came from 2008, with 5 questions that year. In the last three years (2024–2026) it had 9 questions across 6 papers, about 1.5 per paper.

The chapter's 7 topics are not weighted equally: Isomerism of coordination compounds (16 questions, 30%), Werner's theory and Valence Bond Theory (16 questions, 30%), and Crystal Field Theory (10 questions, 19%) have been asked the most. Over the last five years the most frequent topics have been Crystal Field Theory (4), Isomerism of coordination compounds (4), and Werner's theory and Valence Bond Theory (2). Isomerism of coordination compounds has produced the most tough questions (3).

  1. 1Reaction of with oxygen ( ) gas results in the formation of an ionic compound, . Correct statement(s) is(are)2026 (Paper 1)Terminology of coordination compounds
  2. 2The total number of all possible isomers for the square planar complex with formula is ____. ( = metal ion and gly = )2026 (Paper 1)Isomerism of coordination compounds
  3. 3Consider that the coordinating atoms of the ligands in -[Co(NH ) Cl ]Cl and -[Co(NH ) Cl ] octahedral complexes are at the vertices of an oc2026 (Paper 2)Isomerism of coordination compounds
  4. 4The correct order of the wavelength maxima of the absorption band in the ultraviolet-visible region for the given complexes is2025 (Paper 1)Crystal Field Theory
  5. 5The sum of the spin only magnetic moment values (in B.M.) of and is _____.2025 (Paper 2)Werner's theory and Valence Bond Theory
  6. 6Among the following options, select the option in which each complex in Set-I shows geometrical isomerism and the two complexes in Set-II ar2024 (Paper 1)Isomerism of coordination compounds
  7. 7Among , and , the total number of species isoelectronic with is ________. [Given, atomic number: ]2024 (Paper 1)Terminology of coordination compounds
  8. 8Among the following complexes, the total number of diamagnetic species is_____ , and [Given, atomic number: ;2024 (Paper 1)Werner's theory and Valence Bond Theory
  9. 9Among and the total number of species with tetrahedral geometry is _______2024 (Paper 2)Crystal Field Theory
  10. 10Match the electronic configurations in List-I with appropriate metal complex ions in List-II and choose the correct option. [Atomic Number: 2023 (Paper 1)Crystal Field Theory
  11. 11The complex(es), which can exhibit the type of isomerism shown by Pt NH 3 2 Br 2 , is(are) en = H 2 NCH 2 CH 2 NH 22023 (Paper 2)Isomerism of coordination compounds
  12. 12LIST- I contains metal species and LIST- II contains their properties. LIST- I List- II I Cr CN 6 4 - P t 2 g orbitals contain 4 electrons I2022 (Paper 1)Crystal Field Theory
  13. 13The calculated spin only magnetic moments of Cr NH 3 6 3 + and CuF 6 3 - in BM , respectively, are (Atomic numbers of Cr and Cu are 24 and 22021 (Paper 1)Werner's theory and Valence Bond Theory
  14. 14The total number of possible isomers for Pt NH 3 4 Cl 2 Br 2 is___.2021 (Paper 1)Isomerism of coordination compounds
  15. 15The pair(s) of complexes wherein both exhibit tetrahedral geometry is(are) (Note: py = pyridine Given: Atomic numbers of Fe , Co , Ni and Cu2021 (Paper 2)Werner's theory and Valence Bond Theory
  16. 16Choose the correct statement(s) among the following:2020 (Paper 1)Werner's theory and Valence Bond Theory
  17. 17Total number of cis N - M n - C l bond angles (that is, M n - N and M n - C l bonds in cis positions) present in a molecule of cis - M n e n2019 (Paper 2)Isomerism of coordination compounds
  18. 18The correct statement(s) regarding the binary transition metal carbonyl compounds is (are) (Atomic numbers: F e = 26 , N i = 28 )2018 (Paper 1)Carbonyl Compounds
  19. 19The correct option(s) regarding the complex C o e n N H 3 3 H 2 O 3 + :- (en = H 2 N C H 2 C H 2 N H 2 ) is (are)2018 (Paper 2)Isomerism of coordination compounds
  20. 20Match each set of hybrid orbitals from LIST-I with complex (es) given in LIST-II. LIST -I LIST -II A) d s p 2 P) F e F 6 4 - B) s p 3 Q) T i2018 (Paper 2)Werner's theory and Valence Bond Theory
  21. 21Addition of excess aqueous ammonia to a pink coloured aqueous solution of M C l 2 . 6 H 2 O ( X ) and N H 4 C l gives an octahedral complex 2017 (Paper 1)Werner's theory and Valence Bond Theory
  22. 22Among N i C O 4 , N i C l 4 2 - , C o N H 3 4 C l 2 C l , N a 3 C o F 6 , N a 2 O 2 and C s O 2 , the total number of paramagnetic compounds2016 (Paper 1)Werner's theory and Valence Bond Theory
  23. 23The number of geometric isomers possible for the complex C o L 2 C l 2 - L = H 2 N C H 2 C H 2 O - is2016 (Paper 1)Isomerism of coordination compounds
  24. 24The geometries of the ammonia complexes of N i 2 + , P t 2 + a n d Z n 2 + respectively, are :2016 (Paper 2)Werner's theory and Valence Bond Theory
  25. 25For the octahedral complexes of F e 3 + in S C N - (thiocyanato-S) and in C N - ligand environments, the difference between the spin-only ma2015 (Paper 1)Werner's theory and Valence Bond Theory
  26. 26In the complex acetylbromidodicarbonylbis(triethylphosphine)iron (II), the number of F e - C bond (s) is2015 (Paper 2)Carbonyl Compounds
  27. 27Among the complex ions, \( [ {Co} ( {NH}_{2}- {CH}_{2}- {CH}_{2}- {NH}_{2} )_{2} {Cl}_{2} ]^{+}, [ {CrCl}_{2} ( {C}_{2} {O}_{4} )_{2} ]^{3-}2015 (Paper 2)Isomerism of coordination compounds
  28. 28A list of species having the formula XZ4 is given below. X e F 4 , S F 4 , S i F 4 , B F 4 - , Br F 4 - , C u N H 3 4 2 + , F e C l 4 2 - , 2014 (Paper 1)Werner's theory and Valence Bond Theory
  29. 29Match each coordination compound in List-I with an appropriate pair of characteristics from List-II and select the correct answer using the 2014 (Paper 2)Isomerism of coordination compounds
  30. 30Consider the following complex ions, P, Q and R. The correct order of the complex ions, according to their spin-only magnetic moment values 2013 (Paper 1)Crystal Field Theory
  31. 31The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is (are)2013 (Paper 1)Isomerism of coordination compounds
  32. 32EDTA 4 - is ethylenediaminetetraacetate ion. The total number of N - Co - O bond angles in Co EDTA 1 - complex ion is2013 (Paper 1)Terminology of coordination compounds
  33. 33As per IUPAC nomenclature, the name of the complex is :2012 (Paper 1)Nomenclature of coordination compounds
  34. 34exhibits temperature depend-ent magnetic behaviour (paramagnetic/diamagnetic). The coordination geometries of in the paramagnetic and diamag2012 (Paper 2)Crystal Field Theory
  35. 35Geometrical shapes of the complexes formed by the reaction of with , and , respectively, are2011 (Paper 1)Werner's theory and Valence Bond Theory
  36. 36Paragraph: When a metal rod is dipped into an aqueous colourless concentrated solution of compound , the solution turns light blue. Addition2011 (Paper 1)Werner's theory and Valence Bond Theory
  37. 37Among the following complexes , Co , and the diamagnetic complexes are2011 (Paper 2)Werner's theory and Valence Bond Theory
  38. 38The volume (in ) of required for complete precipitation of chloride ions present in of solution of , as silver chloride is close to2011 (Paper 2)Stability of complex ion
  39. 39The ionization isomer of is2010 (Paper 1)Isomerism of coordination compounds
  40. 40The correct structure of ethylenediaminetetraacetic acid (EDTA) is2010 (Paper 1)Terminology of coordination compounds
  41. 41The complex showing a spin-only magnetic moment of B.M. is2010 (Paper 2)Werner's theory and Valence Bond Theory
  42. 42Total number of geometrical isomers for the complex is2010 (Paper 2)Isomerism of coordination compounds
  43. 43The compound (s) that exhibit (s) geometrical isomerism is (are)2009 (Paper 1)Isomerism of coordination compounds
  44. 44Both and are diamagnetic. The hybridisations of nickel in these complexes, respectively, are2008 (Paper 2)Crystal Field Theory
  45. 45The IUPAC name of is2008 (Paper 2)Nomenclature of coordination compounds
  46. 46Among the following, the coloured compound is2008 (Paper 2)Werner's theory and Valence Bond Theory
  47. 47Statement is paramagnetic. Statement 2 The in has three unpaired electrons.2008 (Paper 2)Crystal Field Theory
  48. 48Statement 1 The geometrical isomer of the complex are optically inactive. Statement 2 Both geometrical isomers of the complex possess axis o2008 (Paper 2)Isomerism of coordination compounds
  49. 49Match the complexes in Column I with their properties listed in Column II. Indicates your answer by darkening the appropriate bubbles of mat2007 (Paper 1)Isomerism of coordination compounds
  50. 50Among the following metal carbonyls, the bond order is lowest in2007 (Paper 2)Carbonyl Compounds

Frequently Asked Questions

1.How many questions are available for Coordination Compounds?

This chapter includes 53 questions compiled from JEE Advanced papers spanning 2006 to 2026.

2.Are these questions only from JEE Advanced, or from other exams too?

These are JEE Advanced questions specifically for the Coordination Compounds chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Coordination Compounds an important chapter for JEE Advanced Chemistry?

Coordination Compounds has appeared in 21 of the 21 years of JEE Advanced papers covered here, with 53 questions across 34 papers - about 2 per paper it appears in.

4.What is the difficulty level of Coordination Compounds questions in JEE Advanced?

Of the 53 questions analysed for this chapter, 26% are easy, 60% moderate and 13% tough. 2008 had the most, with 5 questions.

5.Which topics in Coordination Compounds should I focus on?

These topics have carried the most weightage in Coordination Compounds:

  • Isomerism of coordination compounds - 16 questions (30%)
  • Werner's theory and Valence Bond Theory - 16 questions (30%)
  • Crystal Field Theory - 10 questions (19%)
  • Isomerism of coordination compounds has produced the most tough questions (3).
6.Is Coordination Compounds's weightage in JEE Advanced going up or down?

Across all 34 papers analysed, Coordination Compounds has averaged about 1.6 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 1.5 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.