Chemistry - Solid State Question with Solution | TestHub
ChemistrySolid StateCubic CrystalsMedium2 minQB
ChemistryMediummultiple choice
Which of the following is/are correct for fcc metallic crystal:
Options:(select one or more)
Answer:
A, B, C
Solution:
(A) Correct
In FCC, each atom is associated with 8 tetrahedral + 6 octahedral voids.
(B) Correct (now as per given statement)
The perpendicular distance between two closest packed 2D layers in FCC is:
(C) Correct
Coordination number in FCC = 12
(D) Incorrect
Packing efficiency = 0.74, so void fraction = 0.26, not 0.74.
Stream:JEESubject:ChemistryTopic:Solid StateSubtopic:Cubic Crystals
⏱ 2mℹ️ Source: QB
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