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COMEDK2023ChemistrySolid State

NaCl has face centred structure with edge length equal to 361 pm . The radius is

Options

  1. A127.6 pm
  2. B64 pm
  3. C180.5 pm
  4. D160.5 pm

Correct answer

A. 127.6 pm

Step-by-step solution

For fcc lattice, gathered a 2 =4 r r= 2 4 a r= 1.414 361 4 r=127.6 pm gathered

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