When Any Chloride Is Heated With Conc. H2SO4, Then HCl Is Obtained While When Any Bromide Is Heated With Conc. H2SO4, Then Br2 is Obtained And Not HBr. This Is Because

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Question

 

When any chloride is heated with conc. H2SO4, then HCl is obtained while when any bromide is heated with conc. H2SO4, then Br2 is obtained and not HBr.

This is because

Solution

Correct option is

HBr is a stronger reducing agent than HCl

 

Br2 is liberated because initially HBr is liberated which reduces H2SO4 to SO2 and Br2 is formed.   

             

             

       

But HCl does not reduce H2SO4 which is a good reducing agent.  

        

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