Question
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 the factors decide spontaneity of a process.
A.
Statements (i) and (ii) are correct and (iii) is incorrect.
B.
Statement (iii) is correct, (i) and (ii) are incorrect.
C.
Statements (i), (ii) and (iii) are correct.
D.
Statements (i), (ii) and (iii) are incorrect.
Answer :
Statements (i), (ii) and (iii) are correct.
Solution :
$$\Delta G = \Delta H - T\Delta S$$