Read the following statements regarding spontaneity of a process and mark the appropriate…
Chemistry · Class 11 · CBSE — Thermodynamics
Read the following statements regarding spontaneity of a process and mark the appropriate choice.
(i) When enthalpy factor is absent then randomness factor decides spontaneity of a process.
(ii) When randomness factor is absent then enthalpy factor decides spontaneity of a process.
(iii) When both the factors take place simultaneously, the magnitude of both of factors decide spontaneity of a process.
(i) When enthalpy factor is absent then randomness factor decides spontaneity of a process.
(ii) When randomness factor is absent then enthalpy factor decides spontaneity of a process.
(iii) When both the factors take place simultaneously, the magnitude of both of factors decide spontaneity of a process.
- Statements (i) and (ii) are correct and (iii) is incorrect.
- Statement (iii) is correct, (i) and (ii) are incorrect.
- Statements (i), (ii) and (iii) are correct.
- Statements (i), (ii) and (iii) are incorrect.
Answer
(C) Statements (i), (ii) and (iii) are correct.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Two reactions are given below : (i) CO _ (g) + 1 2 O _ 2(g) CO _ 2(g) (ii) Which of the following statements…
- Δ G is the net energy available to do useful work and is a measure of free energy. If a reaction has positive…
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) State function (i)…
- Match the column I with column II and mark the appropriate choice. Column I Column II (A) CH 4( g) + 2O 2( g)…
- What is the enthalpy change for the given reaction, if enthalpies of formation of Al 2 O 3 and Fe 2 O 3 are…
- Bond energies of few bonds are given below : Cl Cl = 242.8 kJ mol –1 , H Cl = 431.8 kJ mol –1 , O H = 464 kJ…
- For combustion of 1 mole of benzene at 25°C, the heat of reaction at constant pressure is –780.9 kcal. What…
- The total entropy change (Δ S total ) for the system and surrounding of a spontaneous process is given by
More Thermodynamics questions · Browse all practice questions