DP Chemistry Questionbank
A.2 Metals and inductively coupled plasma (ICP) spectroscopy
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[N/A]Directly related questions
- 18M.3.sl.TZ2.3c.ii: Calculate, to four significant figures, the concentration, in μg kg−1, of vanadium in oil giving...
- 18M.3.sl.TZ2.3c.i: Identify the purpose of each graph.
- 18M.3.sl.TZ2.3b: ICP-MS is a reference mode for analysis. The following correlation graphs between ICP-OES and...
- 18M.3.sl.TZ1.5: Aluminium is produced by the electrolysis of a molten electrolyte containing bauxite. Determine...
- 18M.3.sl.TZ1.4c.ii: Trace amounts of metal from the catalysts used in the production of HDPE sometimes remain in the...
- 17N.3.sl.TZ0.4c: Explain how Inductively Coupled Plasma (ICP) Spectroscopy could be used to determine the...
- 17N.3.sl.TZ0.4b.i: Outline why an alloy is usually harder than its components by referring to its structure.
- 17M.3.hl.TZ2.5c.i: Rhodium is paramagnetic with an electron configuration of [Kr] 5s14d8. Explain, in terms of...
- 17M.3.sl.TZ2.6b: Metal impurities during the production of LCoS can be analysed using ICP-MS. Each metal has a...
- 17M.3.sl.TZ2.5c: Another method of obtaining nickel is by electrolysis of a nickel(II) chloride...
- 17M.3.sl.TZ2.5b.i: Nickel is also used as a catalyst. It is processed from an ore until nickel(II) chloride solution...
- 17M.3.hl.TZ1.10a: Outline the nature of the plasma state and how it is produced in ICP-MS.
- 17M.3.sl.TZ1.9c: Antimony and its compounds are toxic, so it is important to check that the catalyst is removed...
- 17M.3.sl.TZ1.7b: Calculate the current (I), in A, required to produce 1.00 kg of lanthanum metal per hour. Use the...
- 17M.3.sl.TZ1.7a: State why lanthanum cannot be produced by reducing its oxide with carbon.
- 16N.3.sl.TZ0.4e: Deduce the charge on the indium ion and the formula of indium sulfate.
- 16N.3.sl.TZ0.4d: Calculate the number of moles of electrons required to deposit one mole of indium. Relative...
- 16N.3.sl.TZ0.4c: Calculate the mass of indium deposited by one mole of electrons.
- 16N.3.sl.TZ0.4b: Calculate the amount, in mol, of electrons passed using section 2 of the data booklet.
- 16N.3.sl.TZ0.4a: Calculate the charge, in coulombs, passed during the...
- 16M.3.sl.TZ0.3c: Molten alumina, Al2O3(l), was electrolysed by passing 2.00×106 C through the cell. Calculate the...
- 16M.3.sl.TZ0.3b: Predict the magnetic properties of Fe2O3 and Al2O3 in terms of the electron structure of the...
- 15M.3.sl.TZ1.7a.i: Magnetite, Fe3O4, is a common ore of iron. Calculate the average oxidation state of iron in the...
- 15M.3.sl.TZ1.7a.ii: State the equation for the reduction of this ore to iron with carbon monoxide.
- 15M.3.sl.TZ1.7a.iii: Outline why iron is obtained from its ores using chemical reducing agents but aluminium is...
- 15M.3.sl.TZ2.10a: State an equation for the reaction by which iron (III) oxide, Fe2O3, is reduced to iron in the...
- 14M.2.hl.TZ2.8f: (i) Describe the bonding present in magnesium metal. (ii) Suggest why magnesium...
- 14M.3.sl.TZ2.7a: (i) Describe the production of aluminium from its purified ore. Explain the role of cryolite...
- 14M.3.sl.TZ2.7b: (i) State one advantage of using an alloy rather than the pure metal. (ii) Outline...
- 14M.3.sl.TZ2.7c: Suggest one possible environmental impact that can result from the large-scale production of...
- 14M.3.sl.TZ2.8a: (i) State equations for the reactions that occur at each electrode in a lead-acid battery...
- 14M.3.sl.TZ2.8b: Another source of power for portable devices is the fuel cell. Compare fuel cells with lead-acid...
- 14M.3.sl.TZ2.9a: State a balanced equation for the thermal cracking of...
- 14N.3.hl.TZ0.9a: (i) Suggest why the aluminium oxide is dissolved in molten cryolite. (ii) Deduce...
- 14N.3.hl.TZ0.9b: (i) Outline why aluminium is alloyed with copper and magnesium when used to construct...
- 14N.3.sl.TZ0.8a: Deduce an equation for the discharge of the ions at each electrode. Positive electrode...
- 14N.3.sl.TZ0.8b: (i) Outline why aluminium is alloyed with copper and magnesium when used to construct...
- 13N.3.hl.TZ0.10c: The properties of a metal can be altered by alloying or heat treatment. Explain why alloying can...
- 13N.3.sl.TZ0.8e.i: Explain why alloying can modify the structure and properties of a metal.
- 13M.3.hl.TZ1.C1a: State how a low operating temperature is achieved when aluminium oxide is electrolysed.
- 13M.3.sl.TZ1.C1c: State the main improvement made to the properties of aluminium when it is alloyed.
- 13M.3.sl.TZ1.C1b: Describe what is meant by the term alloy.
- 13M.3.sl.TZ2.C1a.i: Explain how pure aluminium oxide is obtained from bauxite.
- 13M.3.sl.TZ2.C1a.iii: State the half-equations for the reactions taking place at the positive and negative electrodes...
- 13M.3.sl.TZ2.C1a.ii: Explain why sodium hexafluoroaluminate,...
- 13M.3.sl.TZ2.C1b: Before the introduction of the electrolytic method by Hall and Héroult in the 1880s it was very...
- 09N.3.sl.TZ0.C1b.i: State two properties of aluminium that make it suitable for use as an overhead electric cable.
- 09N.3.sl.TZ0.C1a.i: Explain why the molten electrolyte also contains cryolite.
- 09N.3.sl.TZ0.C1a.ii: State a half-equation for the reaction at the negative electrode (cathode).
- 09N.3.sl.TZ0.C1a.iii: Oxygen is produced at the positive electrode (anode). State the name of another gas produced at...
- 09N.3.sl.TZ0.C1b.ii: Alloys of aluminium with nickel are used to make engine parts. Explain, by referring to the...
- 09M.3.sl.TZ2.C1a: Describe an alloy.
- 09M.3.sl.TZ2.C1b: Explain how alloying can modify the structure and properties of metals.
- 11M.3.sl.TZ2.C1a.i: Explain the function of the molten cryolite.
- 11M.3.sl.TZ2.C1a.ii: State the half-equations for the reactions that take place at each electrode. Positive electrode...
- 11M.3.sl.TZ2.C1b: Outline two different ways that carbon dioxide may be produced during the production of aluminium.
- 11N.3.sl.TZ0.C1a.i: State the equation for the reaction of coke with air in the blast furnace.
- 11N.3.sl.TZ0.C1a.ii: The product formed in part (i) reacts with coke to produce carbon monoxide. Explain, giving an...
