Q 11 :    

The compound that will react most readily with gaseous bromine has the formula              [2016]
 

  • C3H6

     

  • C2H2

     

  • C4H10

     

  • C2H4

     

(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.

 



Q 12 :    

In the reaction with HCl, an alkene reacts in accordance with the Markovnikov’s rule to give a product 1-chloro-1-methyl-cyclohexane. The possible alkene is           [2015]

  •  

  •  

  • (A) and (B)

     

  •  

(3)

 



Q 13 :    

Which of the following is not the product of dehydration of  ?               [2015]

  •  

  •  

  •  

  •  

(1)