MCAT Organic Chemistry Review 2018-2019

5 . The aldol   condensation    is  an  example of  which   reaction    type(s)?

I. Dehydration
II. Cleavage
III. Nucleophilic addition

(A)  I  only

(B)  I  and III only

(C)  II and III only

(D)  I, II, and III

6 . Which   of  the hydrogens   in  the following   molecule    is  the most    acidic?

(A) A

(B) B

(C) C

(D) D

7 . When    reacted with    ammonia (NH 3 ) at  200°C,  which   enolate of  a   carbonyl-containing

compound    would   predominate?

(A)  Kinetic    enolate

(B)  Thermodynamic  enolate

(C)  Neither    enolate;    they    would   be  present in  roughly equal   proportions.

(D)  Neither    enolate;    these   reaction    conditions  would   not form    either  enolate.