The d-and f-Block Elements
172 CBSE Class 12 Chemistry previous year questions (PYQs) from 5 papers, 2022 to 2026, with answers and worked solutions.
About this chapter
- Difficulty: 44 easy · 99 moderate · 29 hard.
- Most-asked subtopics: General Properties of the Transition Elements (d-Block) (110), Some Important Compounds of Transition Elements (29), The Lanthanoids (14).
- Updated 13 September 2026.
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#1ModerateGeneral Properties of the Transition Elements (d-Block)
#2ModerateSome Important Compounds of Transition Elements
#3ModerateGeneral Properties of the Transition Elements (d-Block)
#4ModerateSome Important Compounds of Transition Elements
#5EasyGeneral Properties of the Transition Elements (d-Block)
#6ModerateThe Actinoids
For questions number 13 to 16, two statements are given – one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below :#7EasyGeneral Properties of the Transition Elements (d-Block)
#8ModerateThe Actinoids
For questions number 13 to 16, two statements are given – one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below :#9EasyGeneral Properties of the Transition Elements (d-Block)
#10ModerateThe Actinoids
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#11EasyGeneral Properties of the Transition Elements (d-Block)
#12ModerateThe Actinoids
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#13ModerateGeneral Properties of the Transition Elements (d-Block)
#14ModerateThe Lanthanoids
#15EasyGeneral Properties of the Transition Elements (d-Block)
#16ModerateGeneral Properties of the Transition Elements (d-Block)
#17ModerateGeneral Properties of the Transition Elements (d-Block)
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#18ModerateSome Important Compounds of Transition Elements
#19ModerateGeneral Properties of the Transition Elements (d-Block)
#20ModerateSome Important Compounds of Transition Elements
#21ModerateGeneral Properties of the Transition Elements (d-Block)
#22ModerateSome Important Compounds of Transition Elements
#23ModerateSome Important Compounds of Transition Elements
#24EasyGeneral Properties of the Transition Elements (d-Block)
#25ModerateGeneral Properties of the Transition Elements (d-Block)
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#26EasyGeneral Properties of the Transition Elements (d-Block)
#27ModerateGeneral Properties of the Transition Elements (d-Block)
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#28EasyGeneral Properties of the Transition Elements (d-Block)
#29ModerateGeneral Properties of the Transition Elements (d-Block)
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below :#30ModerateSome Important Compounds of Transition Elements
#31EasyGeneral Properties of the Transition Elements (d-Block)
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below :#32EasyGeneral Properties of the Transition Elements (d-Block)
#33ModerateGeneral Properties of the Transition Elements (d-Block)
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#34EasyGeneral Properties of the Transition Elements (d-Block)
#35ModerateThe Actinoids
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#36ModerateGeneral Properties of the Transition Elements (d-Block)
#37ModerateSome Important Compounds of Transition Elements
#38EasyGeneral Properties of the Transition Elements (d-Block)
#39ModerateSome Important Compounds of Transition Elements
#40ModerateGeneral Properties of the Transition Elements (d-Block)
#41EasySome Important Compounds of Transition Elements
#42ModerateSome Important Compounds of Transition Elements
#43ModerateThe Lanthanoids
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#44EasyGeneral Properties of the Transition Elements (d-Block)
#45ModerateGeneral Properties of the Transition Elements (d-Block)
For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other labelled as Reason (R). Select the correct answer to these questions from the codes (A), (B), (C) and (D) as given below.#46ModerateGeneral Properties of the Transition Elements (d-Block)
#47ModerateGeneral Properties of the Transition Elements (d-Block)
#48ModerateGeneral Properties of the Transition Elements (d-Block)
#49ModerateGeneral Properties of the Transition Elements (d-Block)
#50EasyThe Lanthanoids
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