C 30 hop chat nhom chuc

Hãy xác2H3On hay C2nH3nOn.

R—G

VD1: Trong C6H5CH2OH thì C6H5CH2–

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

Tên nhóm

halogen

–X

Axit

–C—H O

–C—OH O

–N—H H –C—O–

O

1 3CH2OH + Na CH3CH2ONa + ½H2.

3CH2OH là

A) CH3 B) OH C) ONa D) CHO.

3CHO là

A) CH3 B) CHO

C) CH3COOH D) OH.

3COOH là

A) CH3 B) COOH

C) COONa D) CO.

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

A) CH3CH2OH B) CH3CHO.

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)

HOC CHO

–

k = kR + kG R và kG

VD9:

k = 1

k 2 4

VD10:

kR = 1

kG

•

nH2n–4O4

k 3

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

k n

1 2

A) C3H4O3 B) C6H8O6.

C) C9H12O9 D) C6H8O3.

A) CHO2 B) CH2O.

C) C2H2O4 D) C4H4O8.

G

A) HCHO B) CHO.

C) C2H2O2 D) C4H4O4

CnH2n+2–2kOa O 2 nCO2 + (n+1–k)H2O

t

2 2

2 2

2 2

CO H O

CO H O

CO H O

n n n n 1 k k 1, mµ k > 0 k 0

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

TOPPER 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