C 30 hop chat nhom chuc

3CHO là CCH3COOH.. BHCOOH, HCHO, HCOOCH3.. ACH3COOH và HCOOCH3 BCH3 CCH3... Hãy xác2H3On hay C2nH3nOn.

R—G

VD1: Trong C6H5CH2OH thì C6H5CH2–

VD2: CH2=CHCH2—Cl + NaOH CH2=CHCH2—OH + NaCl

Tên nhóm CTCT CTCT

halogen

–X (X = halogen) –X halogen CH3Cl

Axit

cacboxylic –COOH cacboxyl CH3COOH

–C—H O

–C—OH O

–N—H H –C—O–

O

1 3CH2OH + Na CH3CH2ONa + ½H2.

3CH2OH là

2 3CHO + Ag2O CH3COOH + 2Ag

3CHO là

C)CH3COOH D)OH

3 3COOH + NaOH CH3COONa + H2O

3COOH là

4

A)HCOOC2H5 B)CH3CH2OH

C)CH3CH2COOH D)HCHO

5

A)HCOOCH3 B)CH3COOH

C)CH3COOCH3 D)CH3COOC2H5

6

A)HCOOCH3, CH3CH2OH, CH3COOCH=CH2

B)HCOOH, HCHO, HCOOCH3

C)HCOOCH3, CH3COOCH3, CH3COOCH=CH2

D)CH3COOH, CH2=CHCOOH, C6H5COOCH3

7

C)CH3COOH D)CH3COOCH3

A)CH3COOH và HCOOCH3

B)CH3

C)CH3

• VD3: CH3CH2OH, CH3COOH, …

• VD4: CH2=CHCH2OH, HCOOCH=CH2, …

•

VD6: CH3OH, C6H5COOCH3, …

•

VD7: HOCH2CH2OH, (COOH)2, …

•

VD8: H2NCH2COOH, HOC–COOH, …

HOOC–CH2CH2–

A)

B)

C)

D)

B

A)

B)

C)

D)

A)

B)

C)

D)

–

k = kR + kG R và kG

VD9:

k = 1

4

VD10:

kR = 1

kG

•

nH2n–4O4

D

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

VD11: 2H3O Hãy xác

2H3O)n hay C2nH3nOn

kR = 0

có n nhóm CHO kG =n

1 2

và k = 2 4H6O2

A)C3H4O3 B) C6H8O6

C) C9H12O9 D) C6H8O3

C) C2H2O4 D) C4H4O8

G

C) C2H2O2 D) C4H4O4

CnH2n+2–2kOa 2 nCO2 + (n+1–k)H2O

t

2 2

2 2

2 2

CO H O

CO H O

CO H O

TH1 : TH2 : TH3 :

i

i i

H

(1) ankan

(2) xicloankan

(3) anken

(4) ankin

(6) ankylbenzen

(a) (b)

I

2 2

A)HCOOH B) (COOH)2

C)CH3COOH D)CH2(COOH)2

J

2

2 2

CO H O

2 2

CO H O

Chú ý

Câu

D

H

D

(a) CnH2n+2O

(b) CnH2nO

(c) CnH2n+2O3

(d) CnH2n–2O2

(e) CnH2n–2O

(f) CnH2n–4O4

(g) CnH2nO2

(h) CnH2n–4O4

(i) CnH2n+3N

(j) CnH2n+2N2

H

(a) 2, 3, 8, 10, 13

(b) 1, 7, 9