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Carbon Compounds (2)

Total questions: 25

Worksheet time: 8mins

Name
Class
Date
1.

give the IUPAC NAME OF THIS STRUCTURAL FORMULAR C6H14

a)

HAXANE

b)

HEXANOL

c)

HEXANOIC ACIT

2.

What is the general formula for carboxylic acid?

Apakah formula am asid karboksilik?

a)

CnH2n+2

b)

CnH2n+1OH

c)

CnH2n+1COOH

d)

CnH2n+1COOCmH2m+1

3.

Which of the following shows the correct functional group?

Antara berikut, yang manakah menunjukkan kumpulan berfungsi yang betul?

a)
b)
c)
d)
4.

Which is the method used to prepare ethanoic acid in laboratory?

Kaedah yang manakah digunakan untuk menyediakan asid etanoik dalam makmal?

a)

Fermentation

Penapaian

b)

Catalytic hydration

Penghidratan bermangkin

c)

Oxidation of alcohol

Pengoksidaan alkohol

d)

Addition of water

Penambahan air

5.

The molecular formula for ethanoic acid is CH3COOH. What is the empirical formula of ethanoic acid?

Formula molekul asid etanoik ialah CH3COOH. Apakah formula empirik asid etanoik?

a)

CHO

b)

CH2O

c)

C2H2O2

d)

C2H4O2

6.

Diagram 5 shows the processes of making ethanoic acid. Which of the following processes are correctly matched?

Rajah 5 menunjukkan satu proses dalam pembuatan asid etanoik. Antara proses berikut, yang manakah dipadankan dengan betul?

a)

X - Oxidation, Y - Cracking

X - Pengoksidaan, Y - Peretakan

b)

X - Fermentation, Y - Oxidationn

X - Penapaian, Y - Pengoksidaan

c)

X - Fermentation, Y - Addition

X - Penapaian, Y - Penambahan

d)

X - Esterification, Y - Fermentation

X - Pengesteran, Y - Penapaian

7.

Diagram 6 shows the structural formula for two organic compounds. Which of the following is true about the two compounds?

Rajah 6 menunjukkan formula struktur untuk dua sebatian organik. Antara berikut, yang manakah benar tentang dua sebatian itu?

a)

Neutral compounds with a sweet fruity smell.

Sebatian neutral dengan bau manis buah buahan.

b)

React with magnesium to produce hydrogen gas.

Bertindak balas dengan magnesium untuk menghasilkan gas hidrogen.

c)

Insoluble in water.

Tidak melarut di dalam air.

d)

Decolourise acidified potassium manganate (VII) solution.

Menyahwarnakan larutan kalium manganat(VII) berasid.

8.

Diagram 7 shows the structural formula of a carbon compound. What is the functional group of the compound?

Rajah 7 menunjukkan formula struktur bagi suatu sebatian karbon. Apakah kumpulan berfungsi bagi sebatian itu?

a)

hydroxyl

hidroksil

b)

carboxyl

karboksil

c)

carbonyl

karbonil

d)

carboxylate

karboksilat

9.

Which statement explains why the solubility of carboxylic acid in water decreases when going down the homologous series?

Pernyataan yang manakah menerangkan mengapa keterlarutan asid karboksilik dalam air berkurang apabila menuruni siri homolog?

a)

The hydrocarbon part becomes larger and more significant

Bahagian hidrokarbon menjadi semakin besar dan nyata

b)

The formation of dimers between two carboxylic acid molecules.

Pembentukan dimer antara dua molekul asid karboksilik

c)

The boiling point of carboxylic acid increases.

Takat didih asid karboksilik bertambah.

d)

The hydrogen bonds increase the attractive forces between molecules.

Ikatan hidrogen menambahkan daya tarikan antara molekul.

10.

Substance Y produced in Figure 8 is

Bahan Y yang dihasilkan dalam Rajah 8 ialah

a)

ethene

etena

b)

propanol

propanol

c)

ethanoic acid

asid etanoik

d)

ethyl ethanoat

etil etanoat

11.

Compound P reacts with ethanol in the presence of concentrated sulphuric acid to form a sweet smelling liquid. Which of the following structures might represent compound P?

Sebatian P bertindak balas dengan etanol dengan kehadiran asid sulfurik pekat untuk menghasilkan cecair berbau manis. Antara struktur berikut, yang manakah paling mungkin mewakili sebatian P?

a)
b)
c)
d)
12.

Name this compound...

a)

methane

b)

methene

c)

methanol

d)

methoxymethane

13.
a)

A

b)

B

c)

C

d)

D

14.
a)

A

b)

B

c)

C

d)

D

15.
a)

A

b)

B

c)

C

d)

D

16.
a)

A

b)

B

c)

C

d)

D

17.
a)

A

b)

B

c)

C

d)

D

18.
a)

A

b)

B

c)

C

d)

D

19.
a)

A

b)

B

c)

C

d)

D

20.
a)

A

b)

B

c)

C

d)

D

21.
a)

A

b)

B

c)

C

d)

D

22.
a)

A

b)

B

c)

C

d)

D

23.
a)

A

b)

B

c)

C

d)

D

24.
a)

A

b)

B

c)

C

d)

D

25.
a)

A

b)

B

c)

C

d)

D

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