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MHT CET202616 April 2026Evening ShiftChemistrySolid StateActual

What is the coordination number of Ag in a crystal lattice?

Options

  1. A4
  2. B6
  3. C12
  4. D8

Correct answer

C. 12

Step-by-step solution

Silver (Ag) crystallizes in a face-centered cubic (fcc) or cubic close-packed (ccp) lattice structure. In an fcc or ccp lattice, each atom is surrounded by 12 nearest neighboring atoms ( 6 in its own layer, 3 in the layer above, and 3 in the layer below). Therefore, the coordination number of Ag in its crystal lattice is 12 . Answer: 12

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