Complete the mechanism for the base-catalyzed racemization of the chiral ketone below by adding any missing atoms, bonds (wedge/dash, too), charges, nonbonding electrons, and curved arrows (forward reaction only).

This is what I tried, but the top 2 boxes were wrong:


Complete the mechanism for the base-catalyzed racemization of the chiral ketone below by adding any missing...
Complete the mechanism for the base-catalyzed racemization of the
chiral ketone below by adding any missing atoms, bonds (wedge/dash,
too), charges, nonbonding electrons, and curved arrows (forward
reaction only).
Complete the mechanism for the acid-catalyzed racemization of the
ketone below by adding any missing atoms, bonds, charges,
nonbonding electron pairs, and curved arrows (forward reaction
only).
Complete the mechanism for the acid-catalyzed racemization of the ketone below by adding any missing atoms, bonds, charges, nonbonding electron pairs, and curved arrows (forward reaction only).
Complete the mechanism for the base-catalyzed opening of the
epoxide below by adding any missing atoms, bonds, charges,
nonbonding electron pairs, and curved arrows.
Complete the mechanism for the base-catalyzed opening of the epoxide below by adding any missing atoms, bonds, charges, nonbonding electron pairs, and curved arrows.
Complete the mechanism for the base-catalyzed opening of the
epoxide below by adding any missing atoms, bonds, charges,
nonbonding electron pairs, and curved arrows.
Complete the mechanism for the base-catalyzed opening of the epoxide below by adding any missing atoms, bonds, charges, nonbonding electron pairs, and curved arrows.
Complete the mechanism for the base-catalyzed opening of the epoxide below by adding any missing atoms, bonds, charges, nonbonding electron pairs, and curved arrows.
Complete the mechanism for the base-catalyzed opening of the epoxide below by adding any missing atoms, bonds, charges, nonbonding electron pairs, and curved arrows.
Complete the mechanism for the base-catalyzed opening of the
epoxide below by adding any missing atoms, bonds, charges,
nonbonding electron pairs, and curved arrows.
O. O. eO :O
Complete the mechanism for the acid-catalyzed hydrolysis of the epoxide in alcohol by adding any missing atoms, bonds, charges, nonbonding electrons, and curved arrows.
Map Complete the mechanism for the acid-catalyzed alcoholysis of the epoxide by adding any missing atoms bonds, charges, nonbonding electrons, and curved arrows