(1) CH3 ()HWE CY CHS H5 答案 O SN2 (1) H3 CH3 H H5 (3)H Sy2 HolI CH3 CH3 CH3 CHS C2H5 Hacs 5.将下列各组化合物按对AgNO3-C2HOH和Na-CH3COCH3的反应活性大小持续排列H H CH3 Cl + OH SN2 H Cl CH3 CH3 + H2O SN1 C C2H5 Br CH3 H OH SN2 C CH3 I C2H5 H SN1 CH3S (1) (2) (3) (4) 答案： H H CH3 Cl + OH H Cl CH3 CH3 + H2O SN1 C C2H5 Br CH3 H OH C CH3 I C2H5 H SN1 CH3S (1) (2) (3) (4) SN2 SN2 H OH CH3 H CH3 OH H CH3 CH3 CH3 H OH + C C2H5 H CH3 HO C CH3 H3CS C2H5 H 5. 将下列各组化合物按对AgNO3－C2H5OH和NaI－CH3COCH3的反应活性大小持续排列：