MHT CET Chemistry Question (2026) — Solution

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