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Chemistry - d and f Block Elements

Practise 55 KCET previous year questions on d and f Block Elements, compiled from papers spanning 2007 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 KCET tests.

d and f Block Elements has been asked in 20 of the 20 years of KCET papers analysed (2007–2026), with 55 questions in all. 45% of them were easy, 45% moderate and 9% tough. Most of its questions came from 2024, with 5 questions that year. In the last three years (2024–2026) it had 11 questions across 3 papers, about 3.7 per paper.

The chapter's 3 topics are not weighted equally: Properties of D-block elements (31 questions, 56%), Compounds of Transition Metals (14 questions, 25%), and F-Block elements (10 questions, 18%) have been asked the most. Properties of D-block elements has also led over the last five years, with 9 questions. Compounds of Transition Metals has produced the most tough questions (2).

  1. 1Which of the following will not act as an oxidising agent?2026Properties of D-block elements
  2. 2The highest oxidation state of manganese in fluoride is ( ), but the highest oxidation state in oxides is ( ), because2026Properties of D-block elements
  3. 3The calculated spin only magnetic moment of ion is2026Properties of D-block elements
  4. 4In the following pairs, the one in which both transition metal ions are colourless is2025Properties of D-block elements
  5. 5A member of the Lanthanoid series which is well known to exhibit +4 oxidation state is2025F-Block elements
  6. 6In which of the following pairs, both the elements do not have configuration?2025Properties of D-block elements
  7. 7In the analysis of III group basic radicals of salts, the purpose of adding to is2024F-Block elements
  8. 8In the reaction between moist and acidified permanganate solution.2024Compounds of Transition Metals
  9. 9MnO exhibits2024Properties of D-block elements
  10. 10The transition element ( ) present with lanthanoid metal in misch metal is2024F-Block elements
  11. 11Which of the following statements related to lanthanoids is incorrect?2024F-Block elements
  12. 12When is added to excess of hot water gives a sol ' '. When is added to solution, gives sol ' ' and formed in the above processes respectivel2023Compounds of Transition Metals
  13. 13In which one of the following pairs, both the elements does not have configuration in its elementary state?2023Properties of D-block elements
  14. 14Which of the following is correct with respect to melting point of a transition element?2023Properties of D-block elements
  15. 15All Cu(II) halides are known, except the iodide, the reason for it is that2022Properties of D-block elements
  16. 16The only lanthanoid which is radioactive2022F-Block elements
  17. 17Which of the following does not represent property stated against it?2021Properties of D-block elements
  18. 18Which one of the following is correct for all elements from Sc to Cu?2021Properties of D-block elements
  19. 19Which of the following pairs has both the ions coloured in aqueous solution? [Atomic numbers of ]2021Properties of D-block elements
  20. 20Identify the set of paramagnetic ions among the following.2020Properties of D-block elements
  21. 21How many moles of acidified is required to liberate 6 moles of from an aqueous solution of ?2020Compounds of Transition Metals
  22. 22For and in aqueous medium, which of the following statement is correct?2020Properties of D-block elements
  23. 23The elements in which electrons are progressively filled in \( 4 {f} \) orbital are called2019F-Block elements
  24. 24Incorrect statement with reference to \( {Ce}( {Z}=58) \)2019F-Block elements
  25. 25A mixture of \( {NaCl} \) and \( {K}_{2} {Cr}_{2} {O}_{7} \) is heated with conc. \( {H}_{2} {SO}_{4} \), deep red vapours and formed. Which2019Compounds of Transition Metals
  26. 26Which of the following statement is wrong?2019Properties of D-block elements
  27. 27\( {KMnO}_{4} \) acts as an oxidising agent in alkaline medium. When alkaline \( {KMnO}_{4} \) is treated with \( {KI} \), iodide ion is oxi2018Compounds of Transition Metals
  28. 28Which of the following is an amphoteric oxide?2018Properties of D-block elements
  29. 29Which of the following oxidation states is common for all lanthanides?2018F-Block elements
  30. 30The electronic configuration of transition element " \( X \) ", is \( [A r] 3 d^{5} \), oxidation state is \( +3 \). What is its atomic numb2018Properties of D-block elements
  31. 31Which of the following statement is in accordance with the Arrhenius equation?2017Properties of D-block elements
  32. 32Which one of the following metallic oxide exhibit amphoteric nature ?2017F-Block elements
  33. 33The metal ion having maximum paramagnetic behaviour among the first transition series elements is,2016Properties of D-block elements
  34. 34When a brown compound of \( M n(A) \) is treated with \( H C l \), it gives a gas (B). The gas (B) taken in excess reacts with \( {NH}_{3} \2016Compounds of Transition Metals
  35. 35\( M n^{2+} \) compounds are more stable than \( F e^{2+} \) compounds towards oxidation to their \( +3 \) state, because2016Properties of D-block elements
  36. 36The electronic configuration of \( G d^{2+} \) is (at. no. of \( G d \) is 64)2015Properties of D-block elements
  37. 37On heating potassium permanganate, one of the following compound is not obtained:2015Compounds of Transition Metals
  38. 38Acetophenone cannot be prepared easily starting from2014Compounds of Transition Metals
  39. 39One mole of ammonia was completely absorbed in one litre solution each of (a) \( 1 {M} {HCl} \), (b) \( 1 {M} {CH}_{3} {COOH} \) and (c) \( 2014F-Block elements
  40. 40The electronic configuration of ion is2013Properties of D-block elements
  41. 41Which one of the following shows highest magnetic moment?2013Properties of D-block elements
  42. 42In a transition series, with increase in atomic-number, the paramagnetism2013Properties of D-block elements
  43. 43Silver iodide is used for producing artificial rain because Agl2012Compounds of Transition Metals
  44. 44The yellow precipitate formed during the chromyl chloride test is chemically2011Compounds of Transition Metals
  45. 45Which one of the following is an example for homogeneous catalysis?2010Properties of D-block elements
  46. 46A white crystalline salt A reacts with dilute to liberate a suffocating gas B and also forms a yellow precipitate. The gas B turns potassium2010Compounds of Transition Metals
  47. 47An organic compound is oxidised by using acidified . The product obtained reacts with phenyl hydrazine but does not answer silver mirror tes2009Compounds of Transition Metals
  48. 48The function of in the contact process is2009Properties of D-block elements
  49. 49The incorrect statement in respect of chromyl chloride test is2009Compounds of Transition Metals
  50. 50Mercury is a liquid metal because2008Properties of D-block elements

Frequently Asked Questions

1.How many questions are available for d and f Block Elements?

This chapter includes 55 questions compiled from KCET papers spanning 2007 to 2026.

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

These are KCET questions specifically for the d and f Block Elements chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is d and f Block Elements an important chapter for KCET Chemistry?

d and f Block Elements has appeared in 20 of the 20 years of KCET papers covered here, with 55 questions across 20 papers - about 3 per paper it appears in.

4.What is the difficulty level of d and f Block Elements questions in KCET?

Of the 55 questions analysed for this chapter, 45% are easy, 45% moderate and 9% tough. 2024 had the most, with 5 questions.

5.Which topics in d and f Block Elements should I focus on?

These topics have carried the most weightage in d and f Block Elements:

  • Properties of D-block elements - 31 questions (56%)
  • Compounds of Transition Metals - 14 questions (25%)
  • F-Block elements - 10 questions (18%)
  • Compounds of Transition Metals has produced the most tough questions (2).
6.Is d and f Block Elements's weightage in KCET going up or down?

Across all 20 papers analysed, d and f Block Elements has averaged about 2.8 questions per paper. In the last three years (2024–2026), that average has risen, at about 3.7 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.