(1) Propanoic acid into ethanoic acid :
(2) Propanoic acid into ethanol :
(3) Ethanamine into propan-l-amine :
(4) Propan-l-amine into ethanamine :
(5) Propanoic acid into ethanamine :
(6) Ethanamine into propanoic acid :
(7) Benzene to aniline :
(8) Aniline to Benzene :
(9) Aniline into benzoic acid :
(10) Benzoic acid into aniline :
(11) Aniline into benzamide :
(12) 3-Nitrotoluene into 3-methyl aniline :
(13) 3-Methyl aniline into 3-Nitrotoluene :
