Which of the following is not a state functions?

Options

A. (i) and (iv)
B. (ii), (iii) and (iv)
C. (i), (ii) and (iii)
D. (ii) and (iii)

Answer

D

Explanation

We know that q (heat and work (w)) are not state functions but (q + w) is a state functions. H - TS (i.e. G) is also a state function. Thus (ii) and (iii) are pot state function, so the correct answer is option (D).