Exam 4: Acids and Bases

Provide the equation that relates the equilibrium constant, K_eq, to the acid dissociation constant, K_a, for the following equilibrium. $\mathrm{HA}+\mathrm{H}_{2} \mathrm{O} \rightleftharpoons \mathrm{A}^{-}+\mathrm{H}_{3} \mathrm{O}^{+}$

Which of the following is a Lewis acid but not a Brønsted-Lowry acid?

Use curved arrows to show the movement of pairs of electrons in the following reaction between a Lewis acid and a Lewis base, and show the structure of the product.

Which of the following is the strongest acid?

Which atom in the following structure is preferentially protonated by a strong acid?

Why are phenols more acidic than alcohols?

Which sets of curved arrows accounts for the protonation of propene with HI?

Which of the following is present in the highest concentration upon dissolution of acetic acid in water?

Which of the following compounds has the highest pK_a?

Which of the following is the correct order of decreasing basicity (stronger base > weaker base)?

Use curved arrows to show the movement of pairs of electrons in the following reaction between a Lewis acid and a Lewis base, and show the structure of the product.

Match the types of reactions with the most appropriate relationships. -ΔH_product > ΔH_reactant

Which of the following equations is correct?

The following is generic depiction of a reaction using the curve arrow formalism. In this reaction electrons move from C to B and A will have a positive charge in the product.