How will you convert:
(i) Ethanol into Propanoic acid
(ii) Propanoic acid into Ethanol.
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(i) Reaction between Ethanol and Tribromide to form Bromo Ethane
CH3CH2OH ——PBr3——-> CH3CH2Br
Reaction with Magnesium in presence of ether
CH3CH2Br ——Mg/ether——-> CH3CH2MgBr
Acid Hydrolysis of Magnesium Bromo Ethane
CH3CH2Br ——CO2/H+——-> CH3CH2COOH
(ii) Convert Propanoic Acid to Ethanol
Reaction with Ammonia
CH3CH2COOH + NH3 ——->CH3CH2COONH4
On heating
CH3CH2COONH4——Heat-->CH3CH2CONH2
Reaction with Sodium Hydroxide in the presence of Bromine
CH3CH2CONH2—NaOH/Br2—->CH3CH2NH2
Acid Hydrolysis
CH3CH2NH2—NaNO2, dil HCl—->CH3CH2OH
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i) oxidation reaction
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