Preparation and Reactions of Vinyl Chloride | Allyl Chloride and Benzyl Chloride

Vinylic halides,allylic halides and Benzylic halides.

Vinyl chloride and ethyl chloride can be distingushed by

Why is vinyl chloride less reactive than ethyl chloride ?

Why is vinyl chloride less reactive than ethyl chloride ?

Which of the following can undergo nucleophilic substitution under ordinary conditions? I Allyl chloride II Benzyl chloride III n-Propyl chloride IV Vinyl chloride

The correct order of reactivity of the halides ethyl chloride (I) iso-propyl chloride (II) and benzyl chloride (III) in S_(N^(1)) reaction is :