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JEE PYQ: Solid State Question 7

Question 7 - 2021 (26 Feb Shift 2)

The number of octahedral voids per lattice site in a lattice is ___. (Rounded off to the nearest integer)

Show Answer

Answer: 1

Solution

Assuming FCC: No. of lattice sites $= 6$ face centre $+ 8$ corner $= 14$. No. of octahedral voids $= 13$. Ratio $= \frac{13}{14} = 0.92857 = 1$ (Nearest integer).


Learning Progress: Step 7 of 23 in this series