Ethyl acetate can be prepared by an sn2 reaction. draw the alkylbromide and nucleophile used in the reaction. remember to include formal charges (do not include counterions).

Few important points related to reaction:

1. is a one-step reaction that follows second order kinetics.

2. In reaction, a transition state is formed in situ.

3. Strong nucleophiles like are used in case of bi-molecular nucleophilic substitution reaction.

Ethyl acetate can be prepared by a second-order nucleophilic substitution reaction between acetic acid and ethyl bromide.  

The reaction between acetic acid and ethyl bromide is drawn below:

answer; /// the amount of material dissolved in a measure of liquid(concentration) the above statement is (true); /// good luck

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)