Chemistry, asked by tipalnaushal, 1 year ago

convert Ethanal to Methanal

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Answered by santy2

CH3CHO→(K2Cr2O2/H2SO4) CH3COOH→(NH3 excess,-NH4^+→CH3COONH4→(Heat -H2O)→CH3CONH2→(Br2/KOH)CH3NH2→(HNO2,-N2,-H2O)CH3OH→(PCC Pyridinium chlorochromate)HCHO

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