Benzene and naphthalene from an ideal solution at room temperature. For this process, the true statement(s) is(are)

Options

A. (ii) and (iv) only
B. (i) and (iii) only
C. (ii),(iii) and (iv) only
D. all of these

Answer

C

Explanation

For an ideal solution,
(i)`DeltaG` lt 0 , for mixing
(ii)`DeltaS_"system"` gt 0 , because disorder increases
(iii)`DeltaS_"surr"` =0 , no heat is exchanged in case of ideal solution.
(iv)`DeltaH_"mix"=0`