Two moles of a substance are cooled at the rate of 
as shown in graph. Curve AB , point B and point C and curve CD represent respectively, the cooling of liquid, start of freezing, completion of freezing and cooling of the solid. Based on this data the change in entropy of fusion in 
will be
Text Solution
Verified by ExpertsThe correct answer is:
B
part in the graph represents fusion at a constant temperature of 600 K and for 40 min .
Time of fusion 
So, total heat exchange during the fusion
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