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CAPE Chemistry Unit 1 · 2017 · Paper 1

45 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

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  1. 11 markWhich of the following statements is NOT a part of Dalton's atomic theory?
  2. 21 markWhich of the following factors is important in determining the stability of an isotope?
  3. 31 markThe volume of gas produced when 1.2 g of Mg reacts with HCl at r.t.p is
  4. 41 markWhich of the following diagrams represents a pi (π) bond?
  5. 51 markWhich of the following statements are TRUE regarding the factors affecting ionization energies?
  6. 61 markBased on the data in the table above, the relative isotopic mass of lead is
  7. 71 markWhich of the following structures correctly illustrates the co-ordinate bonding between BF₃ and NH₃?
  8. 81 markFrom the data above, it can be deduced that X is a
  9. 91 markWhich of the following equations represents the BALANCED equation for the titration?
  10. 101 markThe shape of the complex ion [Co(NH₃)₆]³⁺ is
  11. 111 markWhich of the following groups of solids contains substances that ALL have giant structures?
  12. 121 markWhat is the oxidation number of chromium in EACH compound?
  13. 131 markWhat type of heat change occurs at O?
  14. 141 markWhen magnesium metal reacts with dilute nitric acid, 0.512 moles of hydrogen gas is produced. The volume that this gas would occupy at 298 K and 196 KPa (R = 8.31 J K⁻¹ mol⁻¹) is
  15. 151 markWhich of the following diagrams BEST illustrates the line emission spectrum of hydrogen?
  16. 161 markWhich of the following phrases does NOT define the rate of a chemical reaction?
  17. 171 markWhat is the OVERALL order of the reaction?
  18. 181 markIn a standard hydrogen half-cell, a platinum electrode is used to
  19. 191 markWhat is the rate constant for the reaction at 629 K?
  20. 201 markIf the half-life is 253 s, then the value of the velocity constant (k) at the temperature of the reaction is
  21. 211 markWhich of the following is the value of the equilibrium constant K?
  22. 221 markCopper can catalyse this reaction due to its ability to
  23. 231 markThe H⁺(aq) concentration of the juice in mol dm⁻³ is
  24. 241 markWhich of the following expressions represents the solubility product of iron(III) hydroxide?
  25. 251 markThe rate equation for the reaction is
  26. 261 markWhich of the following aqueous reagents can be used to distinguish between a soluble carbonate and a soluble sulfate?
  27. 271 markDuring a chemical reaction, disproportionation is said to occur if the substance
  28. 281 markBarium carbonate is more soluble in water than in aqueous sodium carbonate because
  29. 291 markWhich of the following properties help(s) this process?
  30. 301 markIn which of the following equations is the metal UNABLE to reduce Sn²⁺?
  31. 311 markWhich of the following ions has the GREATEST polarizing power?
  32. 321 markWhich of the following chlorides of Group IV elements is the BEST electrical conductor?
  33. 331 markWhat are the advantages derived from using silicon carbide ceramics when compared with steel?
  34. 341 markWhich of these gases will undergo oxidation?
  35. 351 markWhich of the following oxides of elements in Period 3 are CORRECTLY matched with their acid/base character?
  36. 361 markWhich of the following pairs of properties increases on descending the Group II elements?
  37. 371 markWhich of the oxides is an oxide of silicon?
  38. 381 markWhich of the oxides is an oxide of sulfur?
  39. 391 markThe ionic equation for the formation of chromium hydroxide from chromium(III) sulfate and dilute NH₃ (aq) is
  40. 401 markWhich of the following properties does NOT describe transition elements?
  41. 411 markThe sharp increase from copper (Cu) to zinc (Zn) is caused by filled
  42. 421 markWhich sulfate is MOST commonly used for X-rays?
  43. 431 markWhich of the following elements is considered to have a high degree of paramagnetism?
  44. 441 markWhich of the following compounds would produce the LOWEST pH when 0.5 mol of it is bubbled into 1 litre of water?
  45. 451 markWhat deduction can be made from the following reactions of iodine and chlorine with sodium thiosulfate?

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