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In the following questions a statement o...

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question.
Assertion (A) : A liquid crystallizes into a solid and is accompanied by decrease in entropy.
Reason (R) : In crystals, molecules organise in an ordered manner.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Text Solution

Verified by Experts

The correct Answer is:
A
Both assertion and reason are true and reason is the correct explanation of assertion.
When a liquid crystallises, entropy decreases because in crystalline form the molecules are more ordered as compared to the liquid.
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