7. Which of the following reactions would have a positive value for ΔS°?
I. NH3(g) + HCl(g) → NH4Cl(s)
II. Ag+
(aq) + Cl-
(aq) → AgCl(s)
III. 2H2(g) + O2(g) → 2H2O(g)
IV. C6H10Br2 (l) → C6H10 (l) + Br2 (l)
V. 2H2O2(g) → 2H2O(g) + O2(g)
a). I and II b). I and III c). II and III d). II and IV e). IV and V