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Chemistry - Coordination Compounds

Practise 118 NTA Abhyas (JEE Main) questions on Coordination Compounds. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Coordination Compounds has been asked in 0 of the 24 years of NTA Abhyas (JEE Main) papers analysed (2002–2025), with 118 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2025, with 0 questions that year. In the last three years (2023–2025) it had 0 questions across 63 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1How many statements is/are correct for given complex [ C o ( C 2 O 4 ) 3 ] 3 - i ) It contain negative ligands only i i ) The oxidation stat
  2. 2Which of the characteristics is not common between [ C u ( e n ) 2 ] 2 + and [ N i ( d m g ) 2 ] ?
  3. 3Select correct statement :
  4. 4The crystal field splitting energy (CFSE) for C o C l 6 4 - is about 18000 c m - 1 . What would be the CFSE value for [ C o C l 4 ] 2 - ?
  5. 5Addition 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 Y in
  6. 6Ammonia forms the complex [ C u ( N H 3 ) 4 ] 2 + with copper ions in alkaline solution but not in acidic solution. The reason for this is
  7. 7The activation energy, rate-constant and Arrhenius parameters of a chemical reaction at 25 o C are 104.4 KJ mol -1 , 3.0 x 10 -4 s -1 , 6.0
  8. 8A weak field complex of N i 2 + has magnetic moment of 2.82 BM. The number of electron in the t 2 g level of N i 2 + will be
  9. 9How many of the following are optically inactive? i. t r a n s - Co en 2 NH 3 Cl 2 + ii. c i s - [ Co ( en ) 2 Br 2 ] + iii. [ Co ( NH 3 ) 3
  10. 10Total number of low spin complexes are [ F e ( C N ) 6 ] 3 – , [ C o ( N O 2 ) 6 ] 3 – , [ F e F 6 ] 3 – , [ I r F 6 ] 3 – , [ C o ( N H 3 )
  11. 11Which one of the following complexes shows optical isomerism
  12. 12Which of the complexes is expected to have lowest Δ 0 value? [consider only magnitude]
  13. 13The correct name of P t N H 3 4 C l 2 P t C l 4 is
  14. 14Assume 100% ionisation of the following in aq. solution of (I) P t N H 3 6 C l 4 (II) C r N H 3 6 C l 3 (III) C o N H 3 4 C l 2 (IV) NaCl In
  15. 15How many complexes among the following are paramagnetic [ M n ( C N ) 6 ] 3 - [ C r ( H 2 O ) 6 ] 3 + [ C o ( e n ) 3 ] 3 + [ V ( C O ) 6 ]
  16. 16Predict the order of Δ ∘ for the following compounds I M n H 2 O 6 2 + I I M n C N 2 H 2 O 4 I I I M n C N 4 H 2 O 2 2 -
  17. 17Aqueous solution of Ni 2+ contains [Ni (H 2 O) 6 ] 2+ and its magnetic moment is 2.83 BM when ammonia is added in it , commment on the magne
  18. 18Which of the following will not show geometrical isomerism?
  19. 19Which of the following complex has zero magnetic moment (spin only)?
  20. 20On treatment of 100 ml of 0.1 M solution of the complex CrCl 3 .6H 2 O with excess of AgNO 3 , 4.305 g of AgCl was obtained. The complex is
  21. 21When A g N O 3 solution is added in excess to 1M solution of C o C l 3 .X N H 3 one mole of A g C l is formed? What is the value of ' X ' ?
  22. 22The total number of possible isomers for the complex compound C u N H 3 4 [ P t C l 4 ]
  23. 23Crystal field stabilization energy for high spin d 4 octahedral complex is
  24. 24Spin only magnetic moment of the compound H g C o S C N 4 is x B.M. The value of ' x ' is
  25. 25How many geometrical isomers are formed by the complex Pt Py NH 3 BrCl ?
  26. 26Which one of the following complexes will most likely absorb visible light? (Atomic numbers: Sc = 21, Ti = 22, V = 23, Zn = 30)
  27. 27Among the following, the species that is both paramagnetic and coloured is:
  28. 28Which of the following statement is/are correct? I. The ligand thiosuphato, S 2 O 3 2 - can give rise to linkage isomers. II. In metallic ca
  29. 29Nickel (Z = 28) combines with a uninegative monodentate ligand to form a diamagnetic complex NiL 4 2 − . The hybridisation involved and the
  30. 30The number of geometric isomers of the complex C r N H 3 3 C l 3 are
  31. 31In brown ring Fe and NO exist as Fe + and NO + rather than Fe 2 + and NO. These forms can be differentiated by
  32. 32The difference in the number of unpaired electrons in Co 2 + ion in its high-spin and low-spin octahedral complexes is -----.
  33. 33Which of the following pairs of compounds are more stable?
  34. 34The correct hybridization of F e in complex K 3 [Fe(CN) 6 ] is
  35. 35Here how many ligands are ambidentate? CN − , ONO − , S 2 O 3 2 − , CNO − , C 2 O 4 2 − , CH 3 COO − en
  36. 36Which of the following statement is incorrect for ligand-metal complex
  37. 37Arrange the following cyano complexes in decreasing order of their magnetic moment.
  38. 38Among [ 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 o
  39. 39Which of the following has longest C − O bond length? (Free C − O bond length in CO is 1 .128 A o ).
  40. 40The possible number of structural and stereo isomers for the complex M B r 2 C l 2 S O 4 is
  41. 41The EAN of Zn in [ Zn ( NH 3 ) 4 ] 2 + is
  42. 42The IUPAC name of the complex [ Pt ( N H 3 ) 2 Cl N H 2 C H 3 ] Cl is
  43. 43The complex that exists as a pair of enantiomers is
  44. 44Each of the compounds P t N H 3 6 C l 4 , C r N H 3 6 C l 3 , C o N H 3 4 C l 3 and K 2 PtCl 6 were dissolved in water to make its 0.01 M so
  45. 45The correct order of the calculated spin-only magnetic moments of complexes A to D is ( a ) Ni ( CO ) 4 ( b ) [ Ni H 2 O ) 6 C l 2 ( c ) N a
  46. 46The volume (in ml) of 0.1 M AgN O 3 required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of [ Cr H 2 O )
  47. 47The number of unpaired electrons in [ CoF 6 ] 3 - are
  48. 48Which one among the following complex ions has the highest paramagnetism?
  49. 49Determine the correct order of hybridization of the central atom in the following species N H 3 , [ P t C l 4 ] 2 - , P C l 5 and B C l 3 .
  50. 50Select the correct statement among the following.

Frequently Asked Questions

1.How many questions are available for Coordination Compounds?

This chapter includes 118 NTA Abhyas (JEE Main) questions.

2.Are these questions only from NTA Abhyas (JEE Main), or from other exams too?

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

3.What is the difficulty level of Coordination Compounds questions in NTA Abhyas (JEE Main)?

Of the 118 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2025 had the most, with 0 questions.

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

All of this chapter's questions come from a single topic: Uncategorized.