JEE Main 2012 — s Block Elements Question with Solution
JEE Main 2012 (12 May Online)
Question
A metal on heating in nitrogen gas gives . on treatment with gives a colourless gas which when passed through solution gives a blue colour. is
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Blue complex
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This is a previous-year question from JEE Main 2012, covering the s 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.