Q.

Statement 1: The packing efficiency is maximum for the fcc structure.Statement 2: The coordination number is 12 in fcc structures.

Moderate

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a

Both statements 1 and 2 are correct

b

Both statements 1 and 2 are incorrect

c

Statement 1 is correct and statement 2 is incorrect

d

Statement 1 is incorrect and statement 2 is correct

answer is 1.

(Detailed Solution Below)

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Detailed Solution

In fcc unit cell, there is ccp arrangement with packing efficiency of 74.01% which is maximum.
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