Question

What is the name of the product when 1-pentene reacts with cl2?

Answer 1

1-pentene  reacts  with  Cl2   to  form  1,2-dichloropentane. 1 -pentene   is  alkene    in a process  called  halogenation.  1-pentene   break  the  double  bond when  react halogen .1-pentene  react  with  chlorine   as  follows
CH2CHCH2CH3 +  Cl2 --> CH2ClCHClCH2CH3