Class 12 · Chemistry
The d- and f-Block Elements
NEET questions.
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ChemistryPlate 21
NeetVellum atlas · fig. chemistry
21
Question preview
Three examples from the live 200-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
The ground state electronic configuration of chromium (Z = 24) is:
- A. [Ar] 3d⁴ 4s²
- B. [Ar] 3d⁵ 4s¹
- C. [Ar] 3d⁶ 4s⁰
- D. [Ar] 3d³ 4s²
Example 2 · difficulty 2/5
The lanthanoid contraction is primarily attributed to:
- A. poor shielding of nuclear charge by 4f electrons
- B. perfect shielding of nuclear charge by 4f electrons
- C. a steady increase in atomic size across the series
- D. progressive filling of poorly shielding 5d electrons
Example 3 · difficulty 2/5
Which of the following ions is colourless in aqueous solution?
- A. Cu²⁺
- B. Ni²⁺
- C. Fe²⁺
- D. Zn²⁺
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many The d- and f-Block Elements NEET questions are available?
NeetVellum publishes 200 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise The d- and f-Block Elements for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.