9.(6) Indicate with an arrow the direction of the reaction below. (Arrow points to thermodynamic products). Also indicate the relative pKa of the acid on each side of the equation. hout NaOH ONa pKa = pka 10.(9) Circle the compound in each of the following sets that has the most acidic hydrogen (lowest pKa value). a. b. OH OH OH SH OH Br OH 11.(12) Assign the hybridization of the carbons labeled a-f in the compound below. OH CEC-H a. b. a. b. c. d. . f