Question

Property of unsaturated hydrocarbons in the following

A. Subjected to substitution reaction
B. Subjected to adition reaction
C. Burn with smokeless flame
D. Less reactive​

Answer 1

Answer:

C. Burn with smokeless flame.

Answer 2

Unsaturated hydrocarbons generally undergo oxidation and addition reactions.

example of addition reaction,

C2H4+Br2CS2

CH2 Br−CH2

Br.

Example of oxidation reaction,

C 2 H 4+O 2oxidation

C2 H4 O

So the correct options are B and C