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- 1. Multiple Choice
Which of the following statements concerning chloroform is INCORRECT?
A. It is a saturated compound.
B. It is a haloalkane.
C. Its systematic name is tetrachloromethane.
D. It is used as solvent.
- 2. Multiple Choice
The diagram shows a set-up used for preparing ethene.
Which of the following is the correct combination of X and Y?
- 3. Multiple Choice
Which of the following compounds does NOT exhibit cis-trans isomerism?
- 4. Multiple Choice
Consider the conversion shown in the diagram.
Which of the following combinations of reagents can be used for the conversion?
A. HBr and excess NaOH(aq)
B. HBr and NaBH4(aq)
C. Br2 and excess NaOH(aq)
D. Br2 and excess Cr2O72–(aq)/H+(aq)
- 5. Multiple Choice
Which of the following reagents and conditions can be used to distinguish between compounds P and Q?
A. KOH(aq), heat
B. Cl2, UV light
C. CH3CH2OH, conc. H2SO4, heat
D. Cr2O72–(aq)/H+(aq), heat
- 6. Multiple Choice
Consider the two compounds R and S.
What relationship do R and S have?
A. Identical compound
B. Enantiomers
C. Position isomers
D. Cis-trans isomers
- 7. Multiple Choice
Consider the organic synthesis shown in the diagram.
What are the types of reactions for steps 1 and 2?
- 8. Multiple Choice
Consider the two compounds U and V.
Which of the following statements concerning U and V is INCORRECT?
A. They are stereoisomers.
B. They have different chemical properties.
C. They have the same boiling point.
D. They have the same solubility in water.
- 9. Multiple Choice
Which of the following reactions can produce ethanoic acid?
A. Alkaline hydrolysis of ethanamide
B. Alkaline hydrolysis of methyl ethanoate
C. Acid hydrolysis of ethyl propanoate
D. Oxidation of ethanal
- 10. Multiple Choice
Consider the synthetic route shown in the diagram.
Which of the following is the correct combination of the reagents and conditions used?
- 11. Multiple Choice
Consider the reaction shown in the diagram.
Which of the following is the most probable structure of G?
- 12. Multiple Choice
Consider the synthetic route shown in the diagram.
If 35.0 g of W is used, what is the theoretical yield of Y?
(Molar masses: W = 74.0, Y = 102.0)
A. 1.05 g
B. 1.45 g
C. 12.3 g
D. 16.9 g
- 13. Multiple Choice
The structure of compound Z is shown in the diagram.
Which of the following species CANNOT be obtained from the acid hydrolysis of Z?
- 14. Multiple Choice
Which of the following functional groups is/are present in HOCH2CH2CH2CHO?
(1) Carbonyl group
(2) Carboxyl group
(3) Hydroxyl group
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
- 15. Multiple Choice
The structure of a polymer is shown in the diagram.
Which of the following statements about the polymer are correct?
(1) It is a polyamide.
(2) Propane-1,3-diol is one of its monomers.
(3) It is unstable under strongly alkaline condition.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
- 16. Multiple Choice
Which of the following chemicals is/are used when preparing soap in the school laboratory?
(1) Concentrated sulphuric acid
(2) Sodium chloride solution
(3) Sodium hydroxide solution
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
- 17. Multiple Choice
The structure of compound Z is shown in the diagram.
Which of the following statements about Z is/are correct?
(1) It has a pungent smell.
(2) It can be made from ethanoic acid.
(3) Its systematic name is ethyl propanoate.
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
- 18. Multiple Choice
18. Which of the following statements about nylon are correct?
(1) It is a condensation polymer.
(2) Its monomer molecules are joined together by ester linkages.
(3) One monomer of nylon 6.6 is hexanedioic acid.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
- 19. Multiple Choice
Which of the following statements about compounds M and N are correct?
(1) They are structural isomers.
(2) They belong to the same homologous series.
(3) They have different chemical properties.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
- 20. Multiple Choice
The structure of compound R is shown in the diagram.
Which of the following statements about R is/are correct?
(1) It exhibits cis-trans isomerism.
(2) It undergoes substitution reaction with bromine (in organic solvent).
(3) It has one chiral carbon.
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
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