JEE Main 2019 — Solid State Question with Solution
From: JEE Main 2019 (Online) 12th April Morning Slot
Question
An element has a face-centred cubic (fcc) structure with a cell edge of . The distance between the centres of
two nearest tetrahedral voids in the lattice is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
In FCC, tetrahedral voids are located on the
body diagonal at a
distance of from the corner. Together they form a smaller cube of edge length .
distance of from the corner. Together they form a smaller cube of edge length .
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This is a previous-year question from JEE Main 2019, 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.