JEE Main 2019 — Solid State Question with Solution
From: JEE Main 2019 (Online) 9th January Evening Slot
Question
At 100oC, copper (Cu) has FCC unit cell structure with cell edge length of x . What is the approximate density of Cu (in g cm3) at this temperature?
[Atomic Mass of Cu = 63.55 u]
[Atomic Mass of Cu = 63.55 u]
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
FCC unit cell Z 4
We know,
d =
We know,
d =
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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.