Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Find the incorrect equation among the following.

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

ΔGsystemΔStotal=-T

b

In isothermal process, Wreversible =−nRTln⁡VfVi

c

lnK=ΔH∘−TΔS∘RT

d

K=e−ΔGo/RT

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

Applying gibbs energy, ΔG=ΔH−TΔSWhere, ΔG  is the change in gibbs energyΔH is the change in enthalpyΔS is the change in entropyT is temperaturea) For a system, total entropy change =ΔStotal ΔHtotal =0∴ΔGsystem =−TΔStotal ∴ΔGsystem ΔStotal =−TThus (a) is correct b) For isothermal reversible process,  ΔE=0By first law of thermodynamics,  ΔE=q+W∴Wreversible =−q=−∫ViVf pdV⇒Wreversible =−nRTln⁡VfVi Thus, (b) is correct.c)  ΔG∘=ΔH∘−TΔS∘Also,  ΔG∘=−RTlnK⇒ln⁡K=−ΔG∘RT⇒ln⁡K=ΔH∘−TΔS∘RT[ from Equation (1)] Thus (c) is incorrect.d) The standard free energy  ΔG∘ is released to equilibrium constant  K as ΔG∘=−RTln⁡K∴ln⁡K=ΔG∘RT⇒K=−e−ΔG∘RTThus, (d) is also correct.
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring