Which of the following groups are indicative of anionic polymerization?

a)F
b)Cl
c)3
d)H
e)CH2CH3

Did you get a correct answer for 3

To determine which groups are indicative of anionic polymerization, we need to understand what anionic polymerization is. Anionic polymerization is a type of polymerization reaction where the initiating species is a negatively charged species, also known as an anion.

In anionic polymerization, the anion acts as an initiator for the reaction, starting the polymerization process. The anion can initiate the polymerization by attacking a double or triple bond in a monomer and forming a new bond, which leads to the growth of the polymer chain.

Now, let's analyze the groups from the options you provided:

a) F (fluorine)
b) Cl (chlorine)
c) 3 (methyl acetate)
d) H (hydrogen)
e) CH2CH3 (ethyl group)

Among these groups, the ones that are indicative of anionic polymerization are the ones that have the potential to form an anion. Anions are formed when an atom gains one or more electrons, acquiring a negative charge.

In this case, the groups that have the potential to form an anion are:

a) F (fluorine)
b) Cl (chlorine)

Both fluorine and chlorine are halogens, and they have a strong tendency to gain an electron to achieve a stable electronic configuration. Therefore, these groups can form anions and serve as initiators for anionic polymerization.

So, the correct answer is:

a) F
b) Cl