How will you convert:
(i) Ethanoic acid into Propanoic acid
(ii) Propanoic acid into Ethanoic acid.
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(i) Acetic acid Reduction
CH3COOH ——LiAlH4/ether——-> CH3CH2OH
Reaction between Phosphorus Pentachloride and ethyl chloride
CH3CH2OH ——PCl3——-> CH3CH2Cl
Reaction between Ethyl chloride and NaCN
CH3CH2Cl ——NaCN——-> CH3CH2CN
On acid hydrolysis, propanoic acid is formed
CH3CH2CN ——HCL——-> CH3CH2COOH
(ii) Adding Sodium to propanoic acid
CH3CH2COOH+NaOH= CH3CH2COONa+H2O
Adding NaOH in presence of CaO to CH3CH2COONa
CH3CH2COONa+NaOH(CaO)= C2H6+Na2CO3
Oxidizing C2H6 with K2Cr2O7
C2H6+K2Cr2O7= CH3COOH
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