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Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction Concepts for JEE

8+ syllabus-aligned questions available

Quick answer

Master Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

Build clear conceptual foundations for Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction before speed practice. This guide covers what JEE expects and how to test yourself with MCQs.

Concept explainer

Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction is a core JEE Main Chemistry subtopic under d and f-Block Elements. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

  • Understand the definition and scope of Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction in the JEE syllabus
  • Memorise key formulas and standard results linked to Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction
  • Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

  • Revise Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction with a one-page formula sheet before attempting mixed tests
  • After each practice set, log mistakes specific to Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction and reattempt after 48 hours

Common trap

Students often rush Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

Part of d and f-Block Elements in JEE Main Chemistry.

Free sample questions

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Q1ChemistryUnit 11: d and f-Block Elements
The lanthanide contraction is responsible for the fact that:
Q2ChemistryUnit 11: d and f-Block Elements
Which of the following factors may be regarded as the main cause of lanthanide contraction?
Q3ChemistryUnit 11: d and f-Block Elements
The last element of lanthanide series is
Q4ChemistryUnit 11: d and f-Block Elements
Which of them is a mineral of lanthanum?
Q5ChemistryUnit 11: d and f-Block Elements
The atomic and ionic radii (M3+ ions )\left(M^{3+} \text { ions }\right) of Lanthanide elements decrease with increase in atomic number. This effect is called as:
Q6ChemistryUnit 11: d and f-Block Elements
Which of the following Lanthanoid is radioactive?
Q7ChemistryUnit 11: d and f-Block Elements
Because of lanthanoid contraction
Q8ChemistryUnit 11: d and f-Block Elements
The Lanthanide contraction relates to:

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