S3T15:
Which of the following is the IUPAC name for this compound?
👍 2-ethyl-1-methylcyclohexene
❤️ 1-ethyl-2-methylbenzene
🎉 6-ethyl-1-methylcyclohexene
👏 3-ethyl-2-methylcyclohexene
👨🔬👩🔬🧑🔬
The answer is 🎉 !!!
If you answered incorrectly, please refer to international chemistry textbooks listed by MPM as the main references. E.g.: Wade and Graham Solomon.
Which of the following is the IUPAC name for this compound?
👍 2-ethyl-1-methylcyclohexene
❤️ 1-ethyl-2-methylbenzene
🎉 6-ethyl-1-methylcyclohexene
👏 3-ethyl-2-methylcyclohexene
👨🔬👩🔬🧑🔬
The answer is 🎉 !!!
If you answered incorrectly, please refer to international chemistry textbooks listed by MPM as the main references. E.g.: Wade and Graham Solomon.
👏37🎉11👍3
S1T3:
Which of the following best describes the inertness of nitrogen?
Which of the following best describes the inertness of nitrogen?
Final Results
63%
A. Triple covalent bond
16%
B. Non-polar molecule
11%
C. High bond enthalpy
10%
D. Octet configuration
S3T15:
Which of the following is the systematic name for CH₂=C(CH₃)CH=CH₂?
Which of the following is the systematic name for CH₂=C(CH₃)CH=CH₂?
Final Results
10%
A. Isoprene
46%
B. 2-methylbut-1,3-diene
9%
C. 2-methylbut-di-1,3-ene
35%
D. 2-methylbuta-1,3-diene
😱3
S3T15:
Which of the following sets correctly show the class of organic compounds and their primary type of reaction?
Which of the following sets correctly show the class of organic compounds and their primary type of reaction?
Final Results
20%
A. Alkane - free radical addition
13%
B. Alkene - electrophilic substitution
15%
C. Haloalkane - nucleophilic addition
52%
D. Arene - electrophilic aromatic substitution
S1T5:
Q is an alkaline earth metal. Its oxide is insoluble in water. What is Q?
Q is an alkaline earth metal. Its oxide is insoluble in water. What is Q?
Final Results
56%
A. Be
18%
B. Mg
10%
C. Ca
16%
D. Ba
S1T4:
R is a Period 3 element that does not react directly with oxygen. Its oxides react with water to form acidic solutions. What is R?
R is a Period 3 element that does not react directly with oxygen. Its oxides react with water to form acidic solutions. What is R?
Final Results
6%
A. Argon
15%
B. Sulphur
70%
C. Chlorine
10%
D. Phosphorus
S3T15:
Which of the following compounds is formed when C₆H₆ reacts with CH₂=CHCH₃ in the presence of AlCl₃ and H⁺?
Which of the following compounds is formed when C₆H₆ reacts with CH₂=CHCH₃ in the presence of AlCl₃ and H⁺?
Final Results
48%
A. C₆H₅CH₂CH₂CH₃
34%
B. C₆H₅CH(CH₃)₂
14%
C. C₆H₅CH₂CH₃
4%
D. C₆H₅CH₃
S3T15:
Benzene can be converted to phenol through the cumene process via the following steps:
Benzene ----> Cumene ----> Cumene hydroperoxide ----> Phenol What is the class of the side organic product formed at the end of this reaction?
Benzene can be converted to phenol through the cumene process via the following steps:
Benzene ----> Cumene ----> Cumene hydroperoxide ----> Phenol What is the class of the side organic product formed at the end of this reaction?
Final Results
17%
A. Acetone
23%
B. Aldehyde
43%
C. Ketone
17%
D. Water
S3T16:
Which of the following is the product formed when RCX₃ is refluxed with NaOH(aq)?
Which of the following is the product formed when RCX₃ is refluxed with NaOH(aq)?
Final Results
3%
A. RCHO
33%
B. RCOO⁻
38%
C. RCOOH
26%
D. RC(OH)₃
S3T16:
The energy profile diagram for the alkaline hydrolysis of haloalkane X under reflux shows that a reactive intermediate is formed during the reaction mechanism. Which of the following compounds best fits the description?
The energy profile diagram for the alkaline hydrolysis of haloalkane X under reflux shows that a reactive intermediate is formed during the reaction mechanism. Which of the following compounds best fits the description?
Final Results
11%
A. C₆H₅Br
33%
B. CH₃CH₂(CH₃)CHCl
26%
C. H₃C-C₆H₄-CH₂Cl
30%
D. CH₃CH₂(CH₃)₂CBr
S3T16:
Haloalkane P undergoes alkaline hydrolysis through the formation of an activated complex. Which of the following statements is true?
Haloalkane P undergoes alkaline hydrolysis through the formation of an activated complex. Which of the following statements is true?
Final Results
15%
A. The activated complex is a reactive intermediate.
24%
B. The rate equation is given by rate = k[RX].
11%
C. P is a type of tertiary haloalkane.
50%
D. This is a second order reaction.
S3T16/19:
CH₃CH₂COOH is produced when compound S reacts with aqueous sodium hydroxide under reflux, followed by acidification. What is compound S?
CH₃CH₂COOH is produced when compound S reacts with aqueous sodium hydroxide under reflux, followed by acidification. What is compound S?
Final Results
31%
A. CH₃CH₂CH₂OH
22%
B. CH₃CHBrCHBr₂
18%
C. CH₃CH(OH)CH₃
29%
D. CH₃CH₂CBr₃
S1T5:
Which of the following statements best describes the change in the solubility of Group 2 sulphates going down the group?
Which of the following statements best describes the change in the solubility of Group 2 sulphates going down the group?
Final Results
3%
A. The charge density of M²⁺ increases.
17%
B. The atomic size of Group 2 elements increases.
60%
C. The decrease in enthalpy of hydration is more significant than the decrease in lattice energy.
20%
D. The significant decrease in lattice energy affects the enthalpy of solution and the solubility.
S1T16/17:
2-bromobutane is refluxed with ethanolic KOH to form compound X. What is the organic product formed when X is heated with KMnO₄, H⁺?
2-bromobutane is refluxed with ethanolic KOH to form compound X. What is the organic product formed when X is heated with KMnO₄, H⁺?
Final Results
32%
A. CH₃COOH
17%
B. CH₃CH₂COOH
34%
C. CH₃COCH₂CH₃
17%
D. CH₃CH₂CH₂COOH
❤2
S3T16:
What is the product formed when bromoethane reacts with ethanolic KCN, followed by acidic hydrolysis?
What is the product formed when bromoethane reacts with ethanolic KCN, followed by acidic hydrolysis?
Final Results
7%
A. CH₃COOK
17%
B. CH₃COOH
46%
C. CH₃CH₂COOH
29%
D. CH₃CH₂CH₂NH₂
S3T15:
The reaction between CH₃CH=CH₂ and HBr in the presence of ROOR is a type of nucleophilic substitution.
The reaction between CH₃CH=CH₂ and HBr in the presence of ROOR is a type of nucleophilic substitution.
Final Results
44%
A. True
56%
B. False
S3T15:
The reaction between propene and HBr in the presence of ROOR is an electrophilic addition reaction.
The reaction between propene and HBr in the presence of ROOR is an electrophilic addition reaction.
Final Results
68%
A. True
32%
B. False
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