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F5 CHEMISTRY QUIZ 2 CARBON COMPOUND O4 CARBOXYLIC ACID

Authored by PS QUEEK

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11th Grade

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F5 CHEMISTRY QUIZ 2 CARBON COMPOUND O4 CARBOXYLIC ACID
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the general formula for carboxylic acid?

Apakah formula am asid karboksilik?

CnH2n+2

CnH2n+1OH

CnH2n+1COOH

CnH2n+1COOCmH2m+1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following shows the correct functional group?

Antara berikut, yang manakah menunjukkan kumpulan berfungsi yang betul?

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3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Kaedah yang manakah digunakan untuk menyediakan asid etanoik dalam makmal?

Fermentation

Penapaian

Catalytic hydration

Penghidratan bermangkin

Oxidation of alcohol

Pengoksidaan alkohol

Addition of water

Penambahan air

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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?

CHO

CH2O

C2H2O2

C2H4O2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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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?

X - Oxidation, Y - Cracking

X - Pengoksidaan, Y - Peretakan

X - Fermentation, Y - Oxidationn

X - Penapaian, Y - Pengoksidaan

X - Fermentation, Y - Addition

X - Penapaian, Y - Penambahan

X - Esterification, Y - Fermentation

X - Pengesteran, Y - Penapaian

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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?

Neutral compounds with a sweet fruity smell.

Sebatian neutral dengan bau manis buah buahan.

React with magnesium to produce hydrogen gas.

Bertindak balas dengan magnesium untuk menghasilkan gas hidrogen.

Insoluble in water.

Tidak melarut di dalam air.

Decolourise acidified potassium manganate (VII) solution.

Menyahwarnakan larutan kalium manganat(VII) berasid.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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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?

hydroxyl

hidroksil

carboxyl

karboksil

carbonyl

karbonil

carboxylate

karboksilat

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