Verified Solution • 2025–26 Session moderate

QJEEM17Chaf14: JEE Main 2017 Chemistry - Class 12 JEEM17Chaf14 Solution: A metal crystallises in a face centred cubic structure. If the…

A metal crystallises in a face centred cubic structure. If the edge length of its unit cell is ‘a’, the closest approach between two atoms in metallic crystal will be :

Multiple Choice Options

  • A 22a
  • B 2a
  • C a2
  • D 2a

Step-by-Step Verified Solution

For a fcc unit cell

r=2a4

∴ Closest distance (2r) = 2a4=a2

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