JEE Main 2019 — S Block Elements Question with Solution
From: JEE Main 2019 (Online) 10th January Evening Slot
Question
Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of :
Choose an option
Show full solutionCorrect option: A
Correct answer
Aammoniated electrons
Step-by-step explanation
Na + (x + y)NH3() [Na(NH3)x]+ + [e(NH3)y]-
[e(NH3)y]- is called solvated or ammoniated electron.
[e(NH3)y]- is called solvated or ammoniated electron.
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This is a previous-year question from JEE Main 2019, 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.