JEE Main 2009 — D And F Block Elements Question with Solution
From: AIEEE 2009
Question
Knowing that the Chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, which of the
following statements is incorrect?
Choose an option
Show full solutionCorrect option: C
Correct answer
CLn (III) compounds are generally colourless
Step-by-step explanation
Most of the compounds except and are coloured due to the presence of -electrons.
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This is a previous-year question from JEE Main 2009, covering the D And F Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.