How to make propanoic acid from ethyne?
Answers
Method 1
Reaction of the Ethane with Cl2 in presence of sunlight to give ChloroEthane
Reaction with (aq)KCN to produce CH3-CH2-CN
Reaction with H2O in presence of an Acid to give out directly Propanoic Acid
Method 2
Reaction with Ethane with Cl2 in presence of sunlight to give out chloroEthane
Either Wurtz or Frankland Reaction , Lets take Wurtz Reaction here
Reaction of ChloroEthane with ChloroMethane in presence of Na in dry ether to produce Propane
Reaction - of Propane with Cl2 in presence of sunlight to give ChloroPropane
Reaction with ChloroPropane with aq KOH to give Propanol
Oxidising Propanol with K2Cr2O7 or other oxidising Agent to give Propanoic Acid
Method 3
Reaction with Ethane with Cl2 in presence of sunlight to give out chloroEthane
Reaction of Aq KOH with chloroEthane to give ethanol
Reaction of Ethanol with PCC to give out Ethanal
Reaction of Ethanol with CH3MgCl (In presence of Acid ) to give out propan-2-ol
Reaction of Propan-2-ol with Cu(At High Temp) to produce Propene
Reaction of Propene with H2O(H+ + HgSO4) to produce Propanol
Oxidising Propanol with K2Cr2O7/other oxidising Agents to produce Propanoic Acid