D. Polime diing de san xuat to phai cd mach cacbon khong nhanh, xep song song, khong dgc, cd kha nang nhugm mau, mem dai.
Chircm gI ESTE LIPIT
ESTE- LIPIT
LL Dit chay hoan toan m(g) hon hgp 3 este thu dugc 8,8g CO2 va 2,7g H2O, biet trong 3 este thi oxi chilm 25% ve khoi lugng. Khoi lugng 3 este dem dit la
A.2,7g B.3,6g C.6,3g D. 7,2g
Ddp dn B
L2. Cho glixerol tac dyng vdi axit axetic cd H2SO4 xiic tac thi tac thu dugc toi da bao nhieu hgp chat cd chira nhdm chiic este ?
A. 1 B. 3 C. 4 D. 5
Ddp dn D
L3. Este X cd cac dac diem sau:
- Dot chay hoan toan X tao thanh CO2 va H2O cd so mol bang nhau
- Thuy phan X trong moi truong axit dugc chat Y (tham gia phan ling trang bac ) va chat Z (cd so nguyen tii cacbon bang mot mia so nguyen tir cacbon trong X).
Phat bieu khong diing la
A. Chat X thuoc loai este no, don chiic B. Chat Y tan v6 ban trong nuoc
C. Dun Z voi dung dich H2SO4 dac 6 \l<fC thu dugc anken
D. Dot chay hoan toan I mol X sinh ra san pham gom 2 mol CO2 va 2 mol H2O
Ddp dn C
\A. Cho etandiol tac dyng vdi axit fomic va axit axetic thu dugc toi da bao
nhieu hgp chat cd chiia nhdm chiic este ?
A. 2 B.4 C.5 D . 6
Ddp dn C
L5. Cho phan ling xa phong boa sau :
Trong cac chat tren chit nao dugc coi la xa phong A. C3H5(OH)3 B. NaOH
C. C,7H35COONa D. (C,7H35COO)3C3H5
Ddp dn C
L6. Chi so axit ciia chat beo la
A. So mg KOH can de thuy phan Ig chat beo
B. Sd mg KOH can de trung hoa lugng axit ty do trong 1 g chat beo C. So mg K can de phan ling vdi lugng axit du trong chat beo D. So gam NaOH can de thuy phan hoan toan lugng chat beo do
Ddp dn B
1.7. Hidro boa hoan toan m(g) triolein (glixerol trioleat) thi thu dugc 89g tristearin (glixerol tristearat). Gia tri m la
A. 84,8g B. 88,4g C. 48,8g D. 88,9g
Ddp dn B
L8. Cho so do chuyen boa sau:
C3H4O2 + NaOH - ^ X + Y X + H2SO4 loang - ^ Z + T Biet Y va Z deu cd phan ling trang bac. Hai chat Y, Z tuong ling la A. HCOONa, CH3CHO. B. HCHO, CH3CHO. C. HCHO, HCOOH. D. CH3CHO, HCOOH.
Ddp dn D
L9. Cho hai hgp chat hiiu co X, Y chiia cac nguyen t l C, H, O khoi lugng phan tir deu bang 74 biet X tac dung dugc vdi Na, ca X va Y deu tac dung duac voi dung dich NaOH va dung dich AgN03 trong NH3. Vay X, Y cd the la A. C4H9OH va HCOOC2H5 B. CH3COOCH3 va HOC2H4CHO C. OHC-COOH va C2H5COOH D. OHC-COOH va HCOOC2H5
Ddp dn D
LIO. Cong thirc tong quat ciia este khong no cd mot lien kit doi C=C, hai chiic, mach ho cd dang
A . CnH2n04 ( u > 3) B . CnH2n-204 (n > 4 ) C. C„H2n-202 (n > 3) D . C„H2n-404 (n > 4 ) C. C„H2n-202 (n > 3) D . C„H2n-404 (n > 4 )