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MHT CET20227 Aug 2022Morning ShiftChemistrySolid StateActual

Calculate the edge length of unit cell that crystallises to form bcc structure. (Radius of atom is 2.17 10⁻⁸ ~cm , 3 =1.732 )

Options

  1. A4.3 10⁻⁸ ~cm
  2. B2.5 10⁻⁸ ~cm
  3. C5.0 10⁻⁸ ~cm
  4. D3.1 10⁻⁸ ~cm

Correct answer

C. 5.0 10⁻⁸ ~cm

Step-by-step solution

For B.C.C unit cell aligned & 3 a =4 r & a = 4 2.17 10⁻⁸ 3 =5.0 10⁻⁸ ~cm aligned

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