JEE Main 2015 — Solid State Question with Solution
From: JEE Main 2015 (Offline)
Question
Sodium metal crystallizes in a body centred cubic lattice with a unit cell edge of 4.29 Å . The radius of
sodium atom is approximately :
Choose an option
Show full solutionCorrect option: C
Correct answer
C1.86 Å
Step-by-step explanation
In the atoms touch along body diagonal
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This is a previous-year question from JEE Main 2015, covering the Solid State 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.