Perlon is

Perlon - L is another name of

{:(,"LIst-I",,"List-II"),((A),"Perlon L",(p),"chain growth polymer"),((B),"PET",(q),"Step growth polymer"),((C),"PMMA",(r),"homopolymer"),((D),"PTFE",(s),"Co-polymer"),(,,(t),"fibres"):}

How many of the following polymers belong to polyalkenes class -- Gutta Percha rubber, Buna rubber ,Buna-S- rubber ,Buna-N- rubber , Natural rubber ,PTFE, Orlon ,Dacron ,PVC ,Perlon ,PHBV and Nylon

How many number carbon atoms in perlon L monomer ?