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?
asid karboksilik
Quiz
•
Others
•
6th - 8th Grade
•
Hard
NOORSYAHIRAH KPM-Guru
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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?
The hydrocarbon part becomes larger and more significant
Bahagian hidrokarbon menjadi semakin besar dan nyata
The formation of dimers between two carboxylic acid molecules.
Pembentukan dimer antara dua molekul asid karboksilik
The boiling point of carboxylic acid increases.
Takat didih asid karboksilik bertambah.
The hydrogen bonds increase the attractive forces between molecules.
Ikatan hidrogen menambahkan daya tarikan antara molekul.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 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
6.
MULTIPLE CHOICE QUESTION
30 sec • 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
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following shows the correct functional group?
Antara berikut, yang manakah menunjukkan kumpulan berfungsi yang betul?
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general formula for carboxylic acid?
Apakah formula am asid karboksilik?
CnH2n+2
CnH2n+1OH
CnH2n+1COOH
CnH2n+1COOCmH2m+1
12 questions
Count the Atoms in Chemical Formulas
Quiz
•
6th Grade
10 questions
Geometri: Areal av figurer
Quiz
•
6th Grade
10 questions
Kuis Microsoft Excel Kelas 6 SD
Quiz
•
6th Grade
10 questions
Volume of 3D Shapes
Quiz
•
8th Grade
10 questions
Mastering Quadratic Equations
Quiz
•
8th Grade
9 questions
Physics Quiz: Energy, Potential, and Kinetic
Quiz
•
8th Grade
10 questions
Pop Quiz 6th
Quiz
•
6th Grade
10 questions
Mastering Digital Skills
Quiz
•
8th Grade
15 questions
Multiplication Facts
Quiz
•
4th Grade
20 questions
Math Review - Grade 6
Quiz
•
6th Grade
20 questions
math review
Quiz
•
4th Grade
5 questions
capitalization in sentences
Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance
Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions
Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines
Quiz
•
Professional Development
12 questions
Dividing Fractions
Quiz
•
6th Grade
20 questions
Math Review - Grade 6
Quiz
•
6th Grade
5 questions
capitalization in sentences
Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance
Interactive video
•
5th - 8th Grade
12 questions
Dividing Fractions
Quiz
•
6th Grade
9 questions
1. Types of Energy
Quiz
•
6th Grade
20 questions
Parts of Speech
Quiz
•
3rd - 6th Grade
43 questions
LinkIt Test - 24-25_BM4_7th
Quiz
•
7th Grade
6 questions
Final Exam: Monster Waves
Quiz
•
6th Grade