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JEE · NEET Previous Year Question

$For a reversible spontaneous change Δ S is$

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

A $\frac{Δ E}{T}$
B $\frac{P Δ V}{T}$
C $\frac{q}{T}$
D $RT log K$

Correct answer: C

Solution

(c) For a reversible process, Δ S = \frac{q _{rev}}{T} where q_{rev} is the reversible heat absorbed and T is the absolute temperature.

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