(a) Which of the following are requirements for anionic polymerization?

1-A double bond

2- End groups which can react by releasing a small molecule

3- A strong base to initiate the reaction

4- A strong acid to initiate the reaction

5- An electron-withdrawing group near the double bond

(b) Which of the following groups are indicative of anionic polymerization?

1-F

2- Cl

3- 3

4- H

5- CH2CH3