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1 markElectrochemistry

CSEC Chemistry · January 2006 · Paper 2 · Question 2(e)(i)

Steve modifies the apparatus as shown in Figure 3.

State what effect this experimental arrangement will have on the bulb.

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Other parts of this question

  1. 2(a)Based on the observed differences between Figures 2a and 2b, name TWO ions that would most likely be present in the beaker after three days.[2 marks]
  2. 2(b)Write ionic equation(s) to show the reactions that take place in the beaker in Figure 2b. Explain why these reactions occur.[4 marks]
  3. 2(c)Name the type of chemical reaction occurring in the experiment.[1 mark]
  4. 2(d)(i)Comment on how the RATE OF REACTION might be affected if the zinc nail is replaced by Magnesium metal. Explain your answer. Observation: (missing) Explanation:…[6 marks]
  5. 2(d)(ii)Comment on how the RATE OF REACTION might be affected if the zinc nail is replaced by Lead. Explain your answer. Observation: (missing) Explanation: (missing)[6 marks]
  6. 2(e)(ii)Explain your answer in (e)(i).[2 marks]

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