Chapter 6, Problem 6.39P

For which of the following reaction is $\text{ΔS°}$ a positive value?

a.

b. ${\text{CH}}_{\text{3}}\cdot +{\text{CH}}_{\text{3}}\cdot \to {\text{CH}}_{\text{3}}{\text{CH}}_{\text{3}}$

c. ${{\text{(CH}}_{\text{3}}\text{)}}_{\text{2}}{\text{C(OH)}}_{\text{2}}\to {{\text{(CH}}_{\text{3}}\text{)}}_{\text{2}}\text{C}=\text{O}+{\text{H}}_{\text{2}}\text{O}$

d. ${\text{CH}}_{\text{3}}{\text{COOCH}}_{\text{3}}+{\text{H}}_{\text{2}}\text{O}\to {\text{CH}}_{\text{3}}\text{COOH}+{\text{CH}}_{\text{3}}\text{OH}$