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Q. Statement 1: The SI unit of entropy is $JK ^{-1} \,mol ^{-1}$.
Statement 2: $\Delta S=\frac{q_{\text {rev }}}{T}$.

Thermodynamics

Solution:

$\Delta S=\frac{q_{\text {rev }}}{T}$, thus, unit is $JK ^{-1} \,mol ^{-1}$.