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NTA Abhyas JEE Main2020ChemistrySolid StatePractice

A compound formed by elements X and Y crystallises in in a cubic structure in which atoms X are at the corners of the cube and atoms Y are at two non-adjacent face-centres. The formula of the compound is

Options

  1. AX 3 Y
  2. BX Y
  3. CX Y 2
  4. DX Y 3

Correct answer

B. X Y

Step-by-step solution

• → X → Y Number of X atoms = 1 8 × 8 = 1 Number of Y atoms = 1 2 × 2 = 1 formula of the solid compound = X Y

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