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AIIMS2002ChemistrySolid State

An A B₂ type structure is found in

Options

  1. ANaCl
  2. BCaF ₂
  3. CAl ₂ O ₃
  4. DN ₂ O .

Correct answer

B. CaF ₂

Step-by-step solution

For an A B₂ type structure, the equivalent equation at equilibrium is A B₂ A²⁺+2 B⁻ For CaF ₂ , the equivalent equation at equilibrium is CaF ₂ Ca ²⁺+2 ~F ⁻ . Therefore CaF ₂ has an A B₂ type structure.

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