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………react with ethene and produce ethyl bromide.
a) HI     

b) KOH                

c) HBr

d) KOH

c

Addition of halogens is called ………..
a) halogeantion                  

b) hydrogenation
c) dehydration                                     

d) elimination

a

When H2 is added to ethane, the double bond is converted into single bond and produces.…
a) ethane                                              

b) ethene
c) ethyne                                              

d) ethanol

a


a

Addition of ………….. means addition of hydrogen and halogen.
a) hydrogen                                         

b) halogen
c) hydrogen halides                          

d) metals

c

The addition of hydrogen to alkenes readily occurs in the presence of ………. as a catalyst.
a) Na     

b) Br                                      

c) I         

d) Ni

d