CAPE Chemistry Unit 2 · 2012 · Paper 1

44 multiple-choice items from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. Q11 mark · multiple choiceWhich statement is true about \text{C}-\text{C} bonds?
2. Q21 mark · multiple choiceThe IUPAC name for the structure is
3. Q31 mark · multiple choiceThe compound which shows both cis-trans isomerism and optical isomerism is
4. Q41 mark · multiple choiceVolatility of organic compounds depends on the strength of the intermolecular forces present. Which compound below would be the MOST volatile?
5. Q51 mark · multiple choiceIn the reaction between ethene and bromine, which statements about the reaction mechanism are true? I. A carbocation forms in the rate determining step. II. A dative covalent bond forms between the bromide ion and the…
6. Q61 mark · multiple choiceWhich of the following alcohols will NOT be oxidised by acidified potassium dichromate(VI)?
7. Q71 mark · multiple choiceThe equation for the formation of the anaesthetic, \text{CF}_3\text{CHBrCl}, is \text{CF}_3\text{CH}_2\text{Cl} \xrightarrow{\text{Br}_2} \text{CF}_3\text{CHBrCl} The type of reaction occurring is
8. Q81 mark · multiple choiceEthanol can be formed by the following reaction \text{C}_2\text{H}_5\text{I} + \text{NaOH} \rightarrow \text{C}_2\text{H}_5\text{OH} + \text{NaI} The mechanism used is
9. Q91 mark · multiple choiceWhich statements are correct concerning Compound A? I. It will decolourize aqueous bromine. II. It will decolourize cold, acidified potassium permanganate. III. It will produce a silver mirror with Tollen's reagent.
10. Q101 mark · multiple choiceWhich of the following compounds does NOT give a white precipitate when shaken with cold ethanolic silver nitrate?
11. Q111 mark · multiple choiceWhich of the following would release a proton MOST readily?
12. Q121 mark · multiple choiceHydrogen cyanide is more likely to add to ethanal but not to ethene because
13. Q131 mark · multiple choiceThe pH of tyrosine is MOST likely
14. Q141 mark · multiple choiceWhich of the following is NOT true of addition polymerisation?
15. Q151 mark · multiple choiceThe product formed by the polymerisation of propene, \text{C}_3\text{H}_6, may be used as a
16. Q161 mark · multiple choiceWhich of the following may be eliminated by calibrating a measuring instrument?
17. Q171 mark · multiple choiceWhich of the following is NOT a property of a primary standard?
18. Q181 mark · multiple choiceWhich of the following will NOT affect the accuracy of the results in a titrimetric analysis?
19. Q191 mark · multiple choiceA 300\text{ mg} solid sample containing chloride is dissolved in water. The chloride is then precipitated as \text{AgCl} by the addition of silver nitrate to the solution of the sample. The precipitate is collected,…
20. Q201 mark · multiple choiceWhich of the following statements about gravimetric analysis is NOT true?
21. Q211 mark · multiple choiceWhich of the following analytical techniques is considered MOST specific for identification purposes?
22. Q221 mark · multiple choiceWhich two features BEST describe ultraviolet radiation?
23. Q231 mark · multiple choiceWhich of the following types of electronic transitions would NOT produce absorption in the UV/VIS region of the spectrum?
24. Q241 mark · multiple choiceHexane will not absorb light in the UV/VIS region of the spectrum because there is a
25. Q251 mark · multiple choiceWhich of the following pairs will NOT absorb infrared radiation? I. \text{H}_2 and \text{Cl}_2 II. \text{NH}_3 and \text{HBr} III. \text{CH}_4 and \text{Br}_2
26. Q261 mark · multiple choiceWhich of the following statements about the partition coefficient may be true? I. It does not vary with temperature. II. The solute has to be in the same molecular state in both solvents for it to be a constant. III.…
27. Q271 mark · multiple choiceWhich of the following is NOT a stationary phase used in chromatography?
28. Q281 mark · multiple choiceThe R_f value of Compound A is
29. Q291 mark · multiple choiceA solution of 10\text{ g} of a carboxylic acid (weak acid) in 100\text{ cm}^3 of water is shaken with 100\text{ cm}^3 of ethoxyethane. It is found that only 6.5\text{ g} of the acid remains in aqueous solution…
30. Q311 mark · multiple choiceWhich of the following are important factors to consider in determining the location of a factory? I. Proximity to a potential workforce II. Availability to a means of transportation III. Potential pollution of air,…
31. Q321 mark · multiple choiceAlong with silicon dioxide, which of the following compounds constitutes the main impurities of bauxite?
32. Q331 mark · multiple choiceThe correct order in terms of INCREASING boiling points is
33. Q341 mark · multiple choiceWhich of the following products is NOT produced for commercial purposes by the electrolysis of concentrated brine?
34. Q351 mark · multiple choiceIn the Bosch-Haber process, \text{N}_2 and \text{H}_2 can be obtained from X and Y respectively. Which of the following pairs BEST describes X and Y?
35. Q361 mark · multiple choiceWhich of the following statements does NOT accurately describe a result of ethanol consumption?
36. Q371 mark · multiple choiceIn the electrolysis of brine using the diaphragm cell, two by-products are
37. Q381 mark · multiple choiceThe presence of phosphate ions (\text{PO}_4^{3-}) can be detected using
38. Q391 mark · multiple choiceCompounds of sulphur such as sulphites are used as food additives. This is because they
39. Q401 mark · multiple choiceWhich of the following industries use sulphuric acid? I. Fertilizer II. Paint III. Fibre IV. Detergent
40. Q411 mark · multiple choiceWhich of the following is NOT a greenhouse gas?
41. Q421 mark · multiple choiceA balanced equation for the photochemical decomposition of Freon-11 is
42. Q431 mark · multiple choiceA balanced equation for the production of oxygen from ozone is
43. Q441 mark · multiple choiceW would MOST likely be
44. Q451 mark · multiple choiceWhich of the following plastics are biodegradable?