Entropy is a measure of disorder. For perfect crystalline substances at 0 K, entropy becomes:

minus

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zero

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constant

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very low

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Solution

The correct option is B zero
According to the third law of thermodynamics the entropy of a perfect crystalline substance at absolute zero becomes zero.

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Similar questions

Entropy of a perfect crystalline solid at absolute zero is:

Assertion(A): At absolute zero the entropy of a perfectly crystalline substance is taken as zero

Reason(R): At zero degree absolute the constituent particles become completely motionless

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