Q32 / 150 · MHT CET 2024 (09 May Shift 2) · Chemistry

What is the coordination number of a particle in fcc structure?

Correct answer
A
12
B
2
C
4
D
6

Solution

Each constituent particle in a fcc lattice is surrounded by 4 particles in the plane, 4 particles above it and 4 particles below it. Hence, the coordination number of an atom in a fcc lattice is 12.

Hence, the correct answer is option: 'A'.

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