The second step of Experiment 5's multistep synthesis is an electrophilic aromatic substitution (EAS) reaction, similar to the reactions of our Klein text. What two key mechanistic steps are always involved in EAS reactions?
A. Loss of a leaving group and proton transfer.
B. Nucleophilic attack and loss of a leaving group.
C. Nucleophilic attack and carbocation rearrangement.
D. Nucleophilic attack and proton transfer.
E. Loss of a leaving group and carbocation rearrangement.

Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.