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Crystals are imperfect because the prese...

Crystals are imperfect because the presence of defects upto a certain concentration

A

increases `G` and decreases `S`

B

decreases `G` and increase `S`

C

increases both `G` and `S`

D

decreases both `G`and `S`

Text Solution

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The correct Answer is:
2
On account of crystal defects ,`DeltaG` is `-ve` while `DeltaS` is `+Ve` . Defects may arise due to the heat absorbed by the crystals from the surrounding or due to the presence of impurities in the crystal.
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