S3:
Which of the following reagents can be used to differentiate ethanol and propan-1-ol?
Which of the following reagents can be used to differentiate ethanol and propan-1-ol?
Final Results
10%
A. [Ag(NH₃)₂]⁺, ⁻OH
22%
B. HCl, ZnCl₂
33%
C. KMnO₄, H⁺
35%
D. I₂, ⁻OH
S3:
Which of the following can be used to differentiate between 1-propanol and 2-propanol?
Which of the following can be used to differentiate between 1-propanol and 2-propanol?
Final Results
8%
A. Na
44%
B. KMnO₄, H⁺
35%
C. HCl, ZnCl₂
13%
D. AgNO₃(aq)
S3T17:
One mole of a hydroxy compound reacts with sodium to release one mole of hydrogen gas. Which of the following is the hydroxy compound described?
One mole of a hydroxy compound reacts with sodium to release one mole of hydrogen gas. Which of the following is the hydroxy compound described?
Final Results
17%
A. C₆H₅OH
24%
B. CH₃CH₂OH
45%
C. HOCH₂CH₂OH
14%
D. HOCH₂COOCH₃
S3T17:
Which of the following cannot be used to distinguish 2-methylpropan-2-ol from propan-2-ol?
Which of the following cannot be used to distinguish 2-methylpropan-2-ol from propan-2-ol?
Final Results
17%
A. HCl, ZnCl₂
19%
B. KMnO₄, H⁺
29%
C. I₂, NaOH
35%
D. Na
S1T8:
Which of the following factors contributes to the ability of transition metal ions to form complexes?
Which of the following factors contributes to the ability of transition metal ions to form complexes?
Final Results
27%
A. Transition metal ions have high charge density.
3%
B. Transition metal ions have low ionisation energy.
21%
C. Transition metal ions have many orbitals.
48%
D. Transition metal have various oxidation states
S1T8:
Which of the following is related to the ability of Ni to act as a catalyst in the hydrogenation of ethene?
Which of the following is related to the ability of Ni to act as a catalyst in the hydrogenation of ethene?
Final Results
17%
A. Ni has a high charge density.
10%
B. Ni has a low ionisation energy.
16%
C. Ni has various oxidation states.
57%
D. Ni has vacant d-orbitals.
S1T8:
Which of the following explains why iron ions can act as a catalyst in the reaction between peroxodisulphate(VI) ions and iodide ions?
Which of the following explains why iron ions can act as a catalyst in the reaction between peroxodisulphate(VI) ions and iodide ions?
Final Results
54%
A. Iron exhibits various oxidation states.
9%
B. Iron ions form strong covalent bonds with reacting particles.
4%
C. Iron ions increase the activation energy of the reaction.
32%
D. Iron ions have many empty orbitals in their outermost shell.
S3T17:
Which of the following reagents can differentiate phenol and phenylmethanol?
Which of the following reagents can differentiate phenol and phenylmethanol?
Final Results
15%
A. Na
44%
B. FeCl₃
27%
C. I₂, ⁻OH
14%
D. Na₂CO₃
S3T17:
Which of the following is not an oxidising agent?
Which of the following is not an oxidising agent?
Final Results
31%
A. Cu
33%
B. PCC
26%
C. H₂CrO₄
9%
D. KMnO₄
S3T17:
What is the full name of PCC, which is used to convert a primary alcohol to an aldehyde?
What is the full name of PCC, which is used to convert a primary alcohol to an aldehyde?
Final Results
9%
A. Putra Conventional Centre
21%
B. Platinum Chromium Chloride
50%
C. Pyridinium Chlorochromate
20%
D. Phosphorus Carbonchromate
❤1
S3T17:
Which of the following is suitable to replace PCC to convert a primary alcohol to an aldehyde?
Which of the following is suitable to replace PCC to convert a primary alcohol to an aldehyde?
Final Results
44%
A. Cu
12%
B. H₂, Ni
10%
C. H₂CrO₄
35%
D. KMnO₄, H⁺
S3:
Which of the following is not a reducing agent?
Which of the following is not a reducing agent?
Final Results
24%
A. Na
14%
B. H₂
52%
C. P₄O₁₀
10%
D. LiAlH₄
S3T18:
How many carbon atoms are there in the simplest ketone?
How many carbon atoms are there in the simplest ketone?
Final Results
17%
A. 1
18%
B. 2
63%
C. 3
2%
D. 4
S3T18:
What is the minimum number of carbon atoms in a carbonyl compound?
What is the minimum number of carbon atoms in a carbonyl compound?
Final Results
47%
A. 1
42%
B. 2
10%
C. 3
1%
D. 4
S3T17:
What is the latest IUPAC name of HOOC(CH₂)₄COOH, which is used to manufacture nylon 6,6?
What is the latest IUPAC name of HOOC(CH₂)₄COOH, which is used to manufacture nylon 6,6?
Final Results
8%
A. Adipic acid
31%
B. Hexanedioic acid
35%
C. Hexane-1,6-dioic acid
26%
D. Hexane-1,6-dicarboxylic acid
S3T19:
What is the IUPAC name of terephthalic acid, which has the formula HOOC–C₆H₄–COOH, where the two COOH groups are attached to opposite sides of the benzene ring?
What is the IUPAC name of terephthalic acid, which has the formula HOOC–C₆H₄–COOH, where the two COOH groups are attached to opposite sides of the benzene ring?
Final Results
42%
A. Benzene-1,4-dicarboxylic acid
18%
B. Benzene-1,4-dioic acid
23%
C. Phenyl-1,4-dioic acid
17%
D. 1,4-dibenzoic acid
S1T8:
What is the coordination number of the complex with the formula [Cu(en)₂Cl₂]?
What is the coordination number of the complex with the formula [Cu(en)₂Cl₂]?
Final Results
5%
A. 0
25%
B. 2
26%
C. 4
44%
D. 6
S1T8:
What is the oxidation number of Ni in Ni(CO)₄?
What is the oxidation number of Ni in Ni(CO)₄?
Final Results
51%
A. +4
12%
B. +2
34%
C. 0
3%
D. -4
S1T8:
What is the number of unpaired electrons in Fe after the formation of coordinate bonds in the complex with the formula [Fe(CN)₆]³⁻?
What is the number of unpaired electrons in Fe after the formation of coordinate bonds in the complex with the formula [Fe(CN)₆]³⁻?
Final Results
27%
A. 0
32%
B. 1
30%
C. 4
12%
D. 5
S1T8:
What is the number of unpaired electrons in Fe after the formation of coordinate bonds in the complex with the formula [Fe(H₂O)₆]²⁺?
What is the number of unpaired electrons in Fe after the formation of coordinate bonds in the complex with the formula [Fe(H₂O)₆]²⁺?
Final Results
37%
A. 0
26%
B. 1
30%
C. 4
7%
D. 5