O-LevelChemistryMetals & Reactivity5070/22 · May/June 2014 · Q66 Marks
The flow chart shows the reactions of metal A and some of its compounds. [Figure shows a flow chart starting with 'metal A'. 'metal A' reacts with 'HCl(aq)' to form 'green solution of B' and 'gas C'. 'green solution of B' reacts with 'excess NaOH(aq)' to form 'green precipitate D'. 'green solution of B' reacts with 'Cl2(g)' to form 'yellow solution of E'. 'yellow solution of E' reacts with 'excess NaOH(aq)' to form 'red-brown precipitate F'.] Identify, by name, each of the substances. A B C D E F
- AA[1]
- BB[1]
- CC[1]
- DD[1]
- EE[1]
- FF[1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2014). The mark or mark type is shown in brackets.
- [1] A6 A iron (1)
- [1] B iron(II) chloride (1)
- [1] C hydrogen (1)
- [1] D iron(II) hydroxide (1)
- [1] E iron(III) chloride (1)
- [1] F iron(III) hydroxide (1)
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