Identity the polymer obtained by heating n moles of isobutylene with n moles of isoprene at 1000C in presence of anhydrous AICl3

1.Butyl rubber

2.Buna-N

3.Buna-S

4.Neoprene rubber

Correct Answer: 1.Butyl rubber

Explanation: Butyl rubber is the polymer which is obtained by heating n moles of isobutylene with n moles of isoprene at 100⁰C in presence of anhydrous AICl₃