Which of the following compound is resistant to nucleophilic attack by hydroxyl ions?

Which of the following compounds is most susceptible to a nucleophilic attack at the carbonyl group?

Which of the following compounds is most susceptible to a nucleophilic attack at the carbonyl group? (a) CH_(3)COOCH_(3 ) (b) CH_(3)CONH_(2 ) (c) CH_(3)COOCOCH_(3 ) (d) CH_(3)COCl

Which of the following compounds undergo nucleophilic substitution reaction