... Fis ca cỏc cht sau: a 3(S) brom-2(S) butanol b 2(R)-amino-3(S) pentanol Cõu 10: (2 ,0 im) Xỏc nh cỏc cht A1, A2, A3, A4 (khụng cn vit phn ng) (CH3CO)2O A2 CH3OH/HCl A A1 (C2H5)2SO4 A3 H2O/HCl ... sau: (khụng cn vit phn ng hoỏ hc) +Cl (1 :1) 1) CO +C H OH +Mg 2 Toluen X Y Z R(C10H12O2 ) aựnh saựng ete 2) H O/ H+ H SO ủaởc, t Cõu 8: (2 ,0 im) T benzen v cỏc cht vụ c, xỳc tỏc cn thit ... ti thy phõn 1-brom-2,2-dimetylpropan mụi trng baz (NaOH) to 2-metylbutan-2-ol nhiu hn l 2,2-dimetylpropan-1-ol Cõu 7: (2 ,0 im) Hp cht (A) CH3CH(OH)CH=CHCH3 cú ng phõn lp th V cu trỳc ca ng phõn...