F5 CHEMISTRY QUIZ 2_6 ESTER

F5 CHEMISTRY QUIZ 2_6 ESTER

11th Grade

10 Qs

quiz-placeholder

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F5 CHEMISTRY QUIZ 2_6 ESTER

F5 CHEMISTRY QUIZ 2_6 ESTER

Assessment

Quiz

Other

11th Grade

Medium

Created by

PS QUEEK

Used 312+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Diagram 1 shows the structural formula of an organic compound. Which of the following is not the property of this compound?

Rajah 1 menunjukkan formula struktur satu sebatian organik. Antara berikut, yang manakah bukan sifat sebatian ini?

soluble in water

terlarut campur dalam air

has a fragrant smell

mempunyai bau wangi

less dense than water

kurang tumpat daripada air

neutral and do not conducts electricity

neutral dan tidak mengkonduksi elektrik

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Diagram 2 shows the structural formula of an ester. What is the name of this ester?

Rajah 2 menunjukkan formula struktur satu ester. Apakah nama ester ini?

methyl propanoate

metil propanoat

ethyl propanoate

etil propanoat

propyl ethanoate

propil etanoat

butyl ethanoate

butil etanoat

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following pairs of substance used to prepare ester with the formula C2H5COOC2H5 is correct?

Antara pasangan bahan digunakan untuk menyediakan ester dengan formula C2H5COOC2H5 berikut, yang manakah betul?

Ethanol and ethanoic acid

Etanol dan asid etanoik

Ethanol and propanoic acid

Etanol dan asid propanoik

Propanol and ethanoic acid

Propanol dan asid etanoik

Propanol and propanoic acid

Propanol dan asid propanoik

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Butan-1-ol reacts with ethanoic acid to produce

Butan-1-ol bertindak balas dengan asid etanoik menghasilkan

CH3COOC4H9

C2H5COOC4H9

C3H7COOC2H5

C4H9COOC4H9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is the correct apparatus set-up for the preparation of an ester?

Antara berikut, yang manakah susunan radas yang betul untuk penyediaan suatu ester?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the structural formula for an ester formed when ethanol, C2H5OH reacts with propanoic acid, C2H5COOH?

Apakah formula struktur bagi suatu ester yang terbentuk apabila etanol, C2H5OH bertindak balas dengan asid propanoik, C2H5COOH?

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Esterification between propanol and propanoic acid is added with a little of concentrated sulphuric acid. What is the function of the sulphuric acid in this reaction?

Pengesteran antara propanol dan asid propanoik ditambahkan dengan sedikit asid sulfurik pekat. Apakah fungsi asid sulfurik itu dalam tindak balas ini?

to prevent the ester formed from decomposing

untuk mencegah ester yang terbentuk daripada terurai

to lower the activation energy of reaction

untuk merendahkan tenaga pengaktifan tindak balas

to prevent propanol from being oxidised to propanoic acid

untuk mencegah propanol daripada teroksida kepada asid propanoik

to lower the temperature required for the reaction

untuk merendahkan suhu yang diperlukan untuk tindak balas

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