Hoàn thành các chuỗi phản ứng sau saccarozơ-glucozo-ruou etylic – natrietylat – axitaxetic 05/10/2021 Bởi aikhanh Hoàn thành các chuỗi phản ứng sau saccarozơ-glucozo-ruou etylic – natrietylat – axitaxetic
Đáp án: C2H4+H2Oacid−→−C2H5OHC2H4+H2Oacid→C2H5OH CH3−CH2−OH+O2mengiam−→−−−−−CH3−COOH+H2OCH3−CH2−OH+O2mengiam→CH3−COOH+H2O CH3−CO−OH+HO−CH2−CH3⇌CH3−CO−O−CH2−CH3+H2OCH3−CO−OH+HO−CH2−CH3⇌CH3−CO−O−CH2−CH3+H2O (Điều kiện: xt H2SO4 đặc, to) Bài 2: 2CH3−COOH+Zn→(CH3COO)2Zn+H22CH3−COOH+Zn→(CH3COO)2Zn+H2 2CH3−COOH+2Na→2CH3COONa+H22CH3−COOH+2Na→2CH3COONa+H2 CH3−CH2−OH+O2mengiam−→−−−−−CH3−COOH+H2OCH3−CH2−OH+O2mengiam→CH3−COOH+H2O Bài 3: 2CH3−COOH+Mg→(CH3COO)2Mg+H22CH3−COOH+Mg→(CH3COO)2Mg+H2 a, n(CH3COO)2Mg=0,03(mol)n(CH3COO)2Mg=0,03(mol) ⇒nCH3−COOH=2n(CH3COO)2Mg=0,06(mol)⇒nCH3−COOH=2n(CH3COO)2Mg=0,06(mol) ⇒CM(CH3−COOH)=0,3M⇒CM(CH3−COOH)=0,3M b, nH2=n(CH3COO)2Mg=0,03(mol)nH2=n(CH3COO)2Mg=0,03(mol) ⇒VH2=0,672(l)⇒VH2=0,672(l) c, CH3COOH+NaOH→CH3COONa+H2OCH3COOH+NaOH→CH3COONa+H2O nNaOH=nCH3COOH=0,06(mol)nNaOH=nCH3COOH=0,06(mol) ⇒VNaOH=0,12(l) Giải thích các bước giải: Bình luận
Đáp án: Giải thích các bước giải: $C_{12}H_{22}O_{11} + H_2O \xrightarrow{t^o,xt} C_6H_{12}O_6 + C_6H_{12}O_6$ $C_6H_{12}O_6 \xrightarrow{t^o,xt} 2C_2H_5OH + 2CO_2$ $2C_2H_5OH + 2Na → 2C_2H_5ONa + H_2$ Bình luận
Đáp án:
C2H4+H2Oacid−→−C2H5OHC2H4+H2Oacid→C2H5OH
CH3−CH2−OH+O2mengiam−→−−−−−CH3−COOH+H2OCH3−CH2−OH+O2mengiam→CH3−COOH+H2O
CH3−CO−OH+HO−CH2−CH3⇌CH3−CO−O−CH2−CH3+H2OCH3−CO−OH+HO−CH2−CH3⇌CH3−CO−O−CH2−CH3+H2O
(Điều kiện: xt H2SO4 đặc, to)
Bài 2:
2CH3−COOH+Zn→(CH3COO)2Zn+H22CH3−COOH+Zn→(CH3COO)2Zn+H2
2CH3−COOH+2Na→2CH3COONa+H22CH3−COOH+2Na→2CH3COONa+H2
CH3−CH2−OH+O2mengiam−→−−−−−CH3−COOH+H2OCH3−CH2−OH+O2mengiam→CH3−COOH+H2O
Bài 3:
2CH3−COOH+Mg→(CH3COO)2Mg+H22CH3−COOH+Mg→(CH3COO)2Mg+H2
a, n(CH3COO)2Mg=0,03(mol)n(CH3COO)2Mg=0,03(mol)
⇒nCH3−COOH=2n(CH3COO)2Mg=0,06(mol)⇒nCH3−COOH=2n(CH3COO)2Mg=0,06(mol)
⇒CM(CH3−COOH)=0,3M⇒CM(CH3−COOH)=0,3M
b, nH2=n(CH3COO)2Mg=0,03(mol)nH2=n(CH3COO)2Mg=0,03(mol)
⇒VH2=0,672(l)⇒VH2=0,672(l)
c, CH3COOH+NaOH→CH3COONa+H2OCH3COOH+NaOH→CH3COONa+H2O
nNaOH=nCH3COOH=0,06(mol)nNaOH=nCH3COOH=0,06(mol)
⇒VNaOH=0,12(l)
Giải thích các bước giải:
Đáp án:
Giải thích các bước giải:
$C_{12}H_{22}O_{11} + H_2O \xrightarrow{t^o,xt} C_6H_{12}O_6 + C_6H_{12}O_6$
$C_6H_{12}O_6 \xrightarrow{t^o,xt} 2C_2H_5OH + 2CO_2$
$2C_2H_5OH + 2Na → 2C_2H_5ONa + H_2$