... C2H5OHC2H5ONaC2H5OHCH3-COOC2H5C2H4C2H5ClCH3CHOC2H3COOHGlucozôCH2=CH-CH=CH2 Rượu (A) ( ơn, no)H2SO4 đto(B)(A); (B) ?dB/A=0,7Vì dB/A=0,7 < 1Rượu (A): ( ơn, no)⇒(B):olefinĐặT CTTQ (A):CnH2n+1OHTóm tắt: PP tìm ... CnH2n+1OH (CnH2n+1 ) 2O + H2O (1 ) 2H2SO4ủto=140 (1 ) (B): (CnH2n+1 ) 2OTheo ủe baứi ta coự:dB/A=MBMA= 1,7 (1 4n + 1). 2 +1614n +18=1,7 n = 3Vaọy :(A):C3H7OH ; (B): ... ñtoMA<120dB/A=1,419(A); (B) ?Vì dB/A=1,419>1=> B: EÂteÑaët CTTQ (A): R-(OH)n2R-(OH)nR-On- R+nH2OH2SO4ñ (1 ) (B)dB/A=2R+16nR+17n=1,419...