JEE Main 2021 — D And F Block Elements Question with Solution
From: JEE Main 2021 (Online) 26th August Morning Shift
Question
Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?
Choose an option
Show full solutionCorrect option: A
Correct answer
ACuCl2
Step-by-step explanation
(a) CuCl2 + nH2O Cu (blue colour)
(b) AgCl + nH2O Insoluble
(c) ZnCl2 + nH2O Zn Colourless
(d) Cu2Cl2 + nH2O Insoluble
(b) AgCl + nH2O Insoluble
(c) ZnCl2 + nH2O Zn Colourless
(d) Cu2Cl2 + nH2O Insoluble
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This is a previous-year question from JEE Main 2021, 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.