JEE Main Chemistry question

Not in JEE Main or NEET syllabus

The crystalline structure of NaCl is [J & K CET 2007]

(A)Hexagonal close packing
(B)Face centred cubicCorrect
(C)Square planar
(D)Body centred cubic

Answer: (B)

Solution

In NaCl, the larger ions form a face-centred cubic (fcc) lattice, with the smaller ions occupying all the octahedral voids, giving 4 formula units of NaCl per unit cell.

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Question ID VK-141557