Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
AIIMS 2001
Exam
AIIMS
Year
2001
Subject
Chemistry
Chapter
Thermodynamics (C)

AIIMS 2001 · Chemistry · Thermodynamics (C)

Which of the following is always feasible?

Which of the following is always feasible?

Options

  1. AΔH=TΔS\Delta H=T \Delta S
  2. BΔH\Delta H (+ve), TΔST \Delta S (-ve)andΔH>TΔSand \Delta H>T \Delta S
  3. CΔH\Delta H (-ve), TΔST \Delta S (+ve)andΔH<TΔSand \Delta H < T \Delta S
  4. DΔH\Delta H (-ve), TΔST \Delta S (-ve)andΔH>TΔSand \Delta H>T \Delta S.

Correct answer

C. ΔH\Delta H (-ve), TΔST \Delta S (+ve)andΔH<TΔSand \Delta H < T \Delta S

Step-by-step solution

Feasibility of reaction is determined by free energy change value (ΔG).ΔG(\Delta G) . \Delta G is given by Gibbs - Helmholtz equation : \Delta G=\Delta H-T \Delta S Reaction is feasible if ΔG\Delta G value is negative. Therefore, if ΔH\Delta H is negative and TΔST \Delta S is positive then the ΔG\Delta G will always be feasible.
Practice Thermodynamics (C) on Quantrex Academy →

More from Thermodynamics (C)

A certain organic solvent has Δ H\_vap = 28.50\ kJ mol^ -1 and Δ S\_vap = 88.2\ J K^ -1 \… MHT CET Medical 2026Which of the following statements regarding spontaneous process is NOT true? MHT CET Medical 2026Calculate Δ H for a reaction, 2X_ (g) + Y_ (g) arrow 2Z_ (g) at 298 K if Δ U = -10.5 kJ… MHT CET Medical 2026500\ mL of nitrogen gas and 750\ mL hydrogen gas were allowed to react at 1\ bar pressure… MHT CET Medical 2026The relationship between Δ H and Δ U for the reaction, PCl_3(g) + Cl_2(g) arrow PCl_5(g)… MHT CET Medical 2026What would be the heat released in kJ when 450\ cm^3 of 0.02\ M\ H_2SO_4 is mixed with… MHT CET Medical 2026Identify from following reactions that it takes place with Δ H = Δ U . MHT CET Medical 2026Calculate the work done in the following reaction at 300\ K , A(g) + B(g) = 2C(g) [R =… MHT CET Medical 2026 Full Thermodynamics (C) list All AIIMS PYQs