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JEE Advanced2012ChemistrySolid StateActual

A compound M _ p X _ q has cubic close packing (ccp) arrangement of X . Its unit cell structure is shown below. The empirical formula of the compound is

Options

  1. AMX
  2. BMX ₂
  3. CM ₂ X
  4. DM ₅ X ₁₄

Correct answer

B. MX ₂

Step-by-step solution

No. of M atoms = 1 4 4+1=1+1=2 No. of X atoms = 1 2 6+ 1 8 8=3+1=4 So, formula =M₂ X₄=M X₂

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