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MHT CET202016 Oct 2020Morning ShiftChemistrySolid StateActual

Xenon crystallizes in fcc lattice and the edge length of unit cell is 620 pm . What is the radius of Xe atom?

Options

  1. A219.2pm
  2. B438.5pm
  3. C265.5pm
  4. D536.9pm

Correct answer

A. 219.2pm

Step-by-step solution

(D) a=620 pm For fcc unit cell, r= a 2 2 r= 620 2 1.414 =219.2 pm

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