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NEET 2015
Exam
NEET
Year
2015
Subject
Chemistry
Chapter
Thermodynamics (C)

NEET 2015 · Chemistry · Thermodynamics (C)

Which of the following statements is correct for a reversible...

Which of the following statements is correct for a reversible process in the state of equilibrium?

Options

  1. A\DeltaG=−2.30RTlogK\DeltaG = - 2.30RTlog K
  2. B\DeltaG=2.30RTlogK\DeltaG = 2.30RTlog K
  3. CΔGo=−2.30RTlogK\Delta{G}^{o} = - 2.30RTlog K
  4. DΔGo=2.30RTlogK\Delta{G}^{o} = 2.30RTlog K

Correct answer

C. ΔGo=−2.30RTlogK\Delta{G}^{o} = - 2.30RTlog K

Step-by-step solution

For a reversible process at equilibrium

\DeltaG=0=ΔGo+RTlnK(Q=K)\DeltaG = 0 = \Delta{G}^{o} + RTln K\left(Q = K\right)

i.e. ΔGo=−2.303RTlogK\Delta{G}^{o} = - 2.303RTlog K
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