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Solution


Q.

The compound that will react most readily with gaseous bromine has the formula              [2016]
 
1 C3H6  
2 C2H2  
3 C4H10  
4 C2H4  

Ans.

(1)

Rate of free radical substitution with Br2(g)​ depends upon the stability of free radical. Propenyl free radical is allylic free radical which is more stable.