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Manipal MET2015ChemistrySolid State

The crystalline structure of NaCl is

Options

  1. Ahexagonal close packing
  2. Bface centred cubic
  3. Csquare planar
  4. Dbody centred cubic

Correct answer

B. face centred cubic

Step-by-step solution

Sodium chloride ( NaCl ) has face centred cubic structure. It contains 4 Na ⁺ and 4 Cl ⁻ ions. Each Na ⁺ ion is surrounded by 8 Cl ⁻ ions and each Cl ⁻ ion is also surrounded by 8 Na ⁺ ions.

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