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MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryThermodynamics and ThermochemistryThermochemical Equations

For a reaction: X → Y + Z absolute entropies are X = 120 JK–1 mol–1 Y = 213.8 JK–1 mol–1 and Z = 197.9 JK–1 mol–1. What will be the entropy change at 298 K and 1 atm?

A.291.7 JK–1✓ Correct
B.255 JK–1
C.213.8 JK–1
D.257.3 JK–1
Explanation

o o –1 S S S (213.8 197.9) 120 291.7JK P R

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