CAPE Chemistry Unit 2 · 2013 · Paper 1
39 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.
- Q11 mark · multiple choiceItem 1 refers to the following diagram. Based on the IUPAC rules, the name of the compound above is
- Q21 mark · multiple choiceA hydrocarbon contains 87.8% carbon and 12.2% hydrogen by mass. Its empirical formula is
- Q31 mark · multiple choiceAn electrophile has
- Q41 mark · multiple choiceWhich of the following terms does NOT describe a nucleophile?
- Q61 mark · multiple choiceItem 6 refers to the following information.
A substance reacts with
I.
\text{NaOH}to form an ionic product II.\text{PCl}_5, giving off\text{HCl}III.\text{H}_2in the presence of a nickel catalyst IV.… - Q71 mark · multiple choiceMethylbenzene,
\text{C}_6\text{H}_5\text{CH}_3, can react to produce 4-chloromethylbenzene (p-chlorotoluene). Which of the following reagents and conditions are MOST suitable for the reaction? - Q81 mark · multiple choiceDiazonium salts are useful in the synthesis of aromatic compounds. Which of the compounds below can be prepared from a diazonium salt?
- Q91 mark · multiple choiceA compound, X, reacts with I. 2,4-dinitrophenylhydrazine (DNPH) to give an orange precipitate II. Tollen's reagent to give a silver mirror III. aqueous alkaline iodine to give yellow crystals. Compound X is MOST likely
- Q101 mark · multiple choiceWhich of the following compounds will NOT decolourize bromine water but will decolourize potassium manganate(VII) on warming?
- Q111 mark · multiple choiceWhich of the following pairs of compounds are optical isomers?
- Q121 mark · multiple choiceThe complete reaction of phenol with aqueous bromine is characterised by a
- Q131 mark · multiple choiceWhich of the options below, (A), (B), (C) and (D), is correct for the properties shown by the following structures?
- Q141 mark · multiple choiceWhich of the following statements is NOT true about condensation polymerization?
- Q151 mark · multiple choiceThe product formed by the polymerisation of propene,
\text{C}_3\text{H}_6, may be used as a - Q161 mark · multiple choiceWhich of the following factors will NOT affect the accuracy of the results in a titrimetric analysis?
- Q171 mark · multiple choiceWhich of the following instruments is NOT used in titrimetry?
- Q181 mark · multiple choiceWhich of the following graphs illustrates the titration of dilute sulfuric acid with potassium hydroxide solution?
- Q211 mark · multiple choiceThe complex ion
[\text{FeSCN}]^{2+}has a molar absorptivity(\varepsilon)of7.0 \times 10^3\text{ dm}^3\text{ mol}^{-1}\text{ cm}^{-1}. The concentration of its solution, which gives an absorbance of 4.2 when… - Q221 mark · multiple choiceWhich of the following regions of the electromagnetic spectrum BEST matches the wavelength ranges of P, Q and R?
- Q231 mark · multiple choiceThe structural features which cause absorption in the UV/VIS region of the electromagnetic spectrum are known as
- Q241 mark · multiple choiceItem 24 refers to the diagram below which represents the structure of a water molecule. Which of the following vibrations may be exhibited by the molecule?
- Q251 mark · multiple choiceWhich of the following alkenes has the wavelength of maximum absorption,
\lambda_{\text{max}}? - Q261 mark · multiple choiceA mixture of gases containing methanol, ethanol, propan-1-ol and propan-2-ol, was obtained from a refinery. What method can be used to separate these gases for analysis?
- Q271 mark · multiple choiceWhich of the following compounds do NOT absorb infrared radiation?
I.
\text{H}_2\text{O}and\text{HI}II.\text{H}_2and\text{Cl}_2III.\text{N}_2and\text{Br}_2 - Q291 mark · multiple choiceWhich of the following entities is NOT a visualising agent in chromatography?
- Q301 mark · multiple choiceWhich of the following statements about partition coefficient would 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. The…
- Q321 mark · multiple choiceWhich of the following is represented by
\text{C}_1 - \text{C}_4hydrocarbons? - Q331 mark · multiple choiceWhich of the following may be a result of light-induced reaction of pollutants in the air? I. Global warming II. Photochemical smog III. Greenhouse effect
- Q341 mark · multiple choiceFermentation of sugars to alcohol is controlled by an enzyme complex (mixture) known as
- Q351 mark · multiple choiceIn the manufacture of chlorine by the electrolysis of brine using the diaphragm cell, the anode is made of
- Q361 mark · multiple choiceIn the production of sulfuric acid by the Contact Process, the following exothermic reaction takes place:
2\text{SO}_2\text{(g)} + \text{O}_2\text{(g)} \xrightarrow{\text{V}_2\text{O}_5} 2\text{SO}_3\text{(g)}Which… - Q371 mark · multiple choiceFlocculation is a process involved in the
- Q381 mark · multiple choiceFor which TWO of the following industrial products is chlorine MOST widely used in their manufacture? I. Solvents II. Sodium chloride III. Polyvinylchloride IV. Chlorofluorocarbons
- Q391 mark · multiple choiceThe burning of polyvinylchloride, PVC, is considered an improper disposal technique because PVC
- Q401 mark · multiple choiceWhich of the following ions are significant contributors to eutrophication?
I.
\text{PO}_4^{3-}II.\text{NO}_3^-III.\text{SO}_4^{2-}IV.\text{Cl}^- - Q411 mark · multiple choiceThe presence of phosphate ions
(\text{PO}_4^{3-})can be detected using - Q421 mark · multiple choiceWhen chlorofluorocarbons in the upper atmosphere are impacted by ultraviolet radiation, chlorine radicals are formed in preference to fluorine radicals. This occurs in the upper atmosphere because the energy of the
- Q431 mark · multiple choiceChlorofluorocarbons undergo homolytic fission by being exposed to ultraviolet light in the stratosphere.
Which radical could result from
\text{CH}_2\text{FCF}_2\text{Cl}? - Q451 mark · multiple choiceWhich of the following plastics are biodegradable?