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VIBHOR GAUR Grade: 12
        

How the following conversions are carried out?1. Propen to propan-1-ol 2.Ethanol to but-1-yne

7 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

1 )   propen + HBr  (in presence of peroxide)=1 bromopropan         (free radical addition)


     1bromopropane+KOH(aq)=propan-1-ol                                    (neucliophilic substitution reaction)


           0r


     propene +B2H6 +H2O2 =propan1--ol


 


2)  ethanol  + HBr(aq)= 1bromoethane   


    1bromo ethane+2Na=N-butane                (wurtz reaction)


    butane + Br2 (peroxide) =2bromo butane +KOH(alcoholic) =but-2-ene(major) + but-1-ene(minor)


    but-2-ene + Cl2 =2,3dichlorobutane


    2,3 dichlorobutane +NaNH2=but-1-yne     


 


 

7 years ago
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