JEE Main 2021 — Solid State Question with Solution
JEE Main 2021 (20 Jul Shift 2)
Question
Diamond has a three dimensional structure of atoms formed by covalent bonds. The structure of diamond has face centred cubic lattice where of the tetrahedral voids are also occupied by carbon atoms. The number of carbon atoms present per unit cell of diamond is ________.
Enter your answer
Show full solutionCorrect answer: 8
Correct answer
8
Step-by-step explanation
Carbon atoms occupy FCC lattice points as well as half of the tetrahedral voids
therefore number of carbon atoms atoms per unit cell
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Solid State chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2021, 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.