When the Carbonyl Group of a Neutral Ketone Is Protonated

Multiple Choice

When the carbonyl group of a neutral ketone is protonated ________.

A) the resulting species becomes more electrophilic
B) the resulting species is activated toward nucleophilic attack
C) subsequent nucleophilic attack on the resulting species is said to occur under acid-catalyzed conditions
D) the resulting species has a positive charge
E) all of the above