- Tir n/du tifdng tfng: ,•^
Tinh chát dac trUng rieng cua glixerol
Glixerol hda tan difcJc Cu(OH)2 tao phuTc chat tan, mau xanh da trdi => phan iJng diing nhan bid't glixerol (hay cic ancol c6 c&c nhdm OH d nhOftig nguydn tijf c diing nhan bid't glixerol (hay cic ancol c6 c&c nhdm OH d nhOftig nguydn tijf c
c?"hnhau). j ^ , , 2C3H5(OH)3 + Cu(OH)2 > [C3H5(OH)20]2Cu + 2H2O , j . ; . , 2C3H5(OH)3 + Cu(OH)2 > [C3H5(OH)20]2Cu + 2H2O , j . ; . ,
d6ng (II) glixerat ^M:^ ^g.^^rr^M'^
(dungdichm^uxanh)^j
b) Phan tfng th^ nhdm OH : ,vuhi,o>.M>^d 7y,uv uk,
R-OH + HX R-X + H2O .rr>\vr\i ..Or- piMi J.m im^yHíP fifi\ỵ aS::
' R-OH + R'OH " i i ^ " ^ ' ^ ) R-O-R' + H2O S-do ^mfy;^ nfuja ^ f M ...
140''C
c) Phan iJng tach nirdc: , , ,
^ ' l fjyr (t3,5j=iia;'s mat n6b sc. •
C„H2n+iOH + y O2 > nCOi + (n + UHjO i IxxJiiid ; xS-^D-M^p : ub ]
a>i*B fkv- R C H 2 O H + C u O R - C H O + Cu + H2O ^ R-CH-R' + C u O R - C - R ' + Cu + H2O • . ^ ... ilÂiUrl]3-,K xeton , . , • ' Q a r l q (IRJA j B i i M q , 5 i: w U s f t ' ' ^ fr' • •• '-^ •• " ^ e ; ; ' ' " ' - ^^'•>H^D .HÔH^D .HOfH:-'
* Ttretilen : C2H4 + H2O CH3-CH2OH ^ 3 , , * Tilf tinh bOl: (C6H,„05)„ CfiH^Ofi °"'°"'^"> C2H5OH. 'i^^J •
1*0y,... >.iyif^:ii-aii-^ ,;^ụ.'.-:- v^ị.' '^^j'iW .UjÓii^-^ ^viflOsJ IMI^V
IIỊ P H E N O L
* nhffng hdp chat hỉu cd mk phan tvjf cd chtfa nhdm hidroxyl (OH) lien ket trifc tigp vdi nguyen tOr C cua vong benzen. ty .jxA ; ^cthtOi siiMị ' tigp vdi nguyen tOr C cua vong benzen. ty .jxA ; ^cthtOi siiMị '
Ch3fttieubi^um phenol (Q} '.U i^Si i^'^n
* Phan loai g6m phenol đn chtfc va da chtfc. " *
1. Tinh chat h6a hQC ' J
a) Tinh axit (cd life axit manh hdn ancol) khong lam doi m^u quy tim. CfiHsOH + NaOH > CftHjONa + H2O CfiHsOH + NaOH > CftHjONa + H2O
b) Phan iJng the nguyen tijf H cua nhdm -OH ' HO 'a&ile H '!M\} ,
,0 1 ^ ( ') toma:&ki:m:»l'fMs\:S'iM'i
CfiHsOH + N a - U CfiHsONaH--H2 '
natri phenolat ~* 1 8 4