Assertion (A): A liquid crystallises into a solid and is accompanied by decrease in entropy.
Reason (R):
In crystals, molecules organise in an ordered manner.
(i) Both A and R are true and R is the correct explanation of A.
(ii) Both A and R are true but R is not the correct explanation of A.
(iii) A is true but R is false.
(iv) A is false but R is true.
Assertion (A): A liquid crystallises into a solid and is accompanied by decrease in entropy.
Reason (R): In crystals, molecules organise in an ordered manner.
(i) Both A and R are true and R is the correct explanation of A.
(ii) Both A and R are true but R is not the correct explanation of A.
(iii) A is true but R is false.
(iv) A is false but R is true.
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1 Answer
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This is a Assertion and Reason Type Questions as classified in NCERT Exemplar
option (i)
Explanation: The entropy of a liquid reduces as it crystallises. Because the molecules are more organised in crystalline form.
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