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Grade: 12
        Convert bromomethane to propanone without using CN and water
one year ago

Answers : (2)

Suraj Singh
148 Points
							Hy rajshree..  First of all we react methyl bromide with ethyl bromide and sodium in presence of dry ether (wurtz reaction)..   It gives propane..  React propane with Cl2, in presence of li8.. Then react with aq KOH..  Then oxidise it with KMnO4 to give propanone...  Hope U like it..
						
one year ago
Anup Singh
11 Points
							
CH3Br+CH3CH2Br+2Na ----(dry ether)-----CH3CH2CH3+2NaBr   (WURTZ REACTION)
CH3CH2CH3+HBr------( Markonikoff rule)-------CH3CHBrCH3
CH3CHBrCH3+(ALCOHOLIC)KOH-----heat-------CH3CH=CH2    (Dehydrohalogenation)
CH3CH=CH2+----(1...B2H6  (2...H2O2))----CH3CH(OH)CH3
CH3CH(OH)CH3-----(K2Cr2O7)-------H3C(HC=O)CH3(Propanone)------(Oxidation)
9 days ago
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