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KVPY2010ChemistrySolid State

A metal with an atomic radius of 141.4 pm crystallizes in the face centred cubic structure. The volume of the unit cell in pm is-

Options

  1. A2.74 10⁷
  2. B2.19 10⁷
  3. C6.40 10⁷
  4. D9.20 10⁷

Correct answer

C. 6.40 10⁷

Step-by-step solution

r = a 2 2 =141.4 pm array l a =2 2 141.4 V = a ³=(2 2 141.4)³ array

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