Question

Which of the following changes has a decrease in entropy? A. N2O4 (g) yields 2NO2 (g)
B. C2H5OH (l) + 3O2 (g) yields 2CO2 (g) + 3H2O (g)
C. 3O2 (g) + 2KCl (s) yields 2KClO3 (s)
D. H2O (l) yields H2O (g)

Answer 1

C. 3O2 (g) + 2KCl (s) yields 2KClO3 (s)