Edexcel Jun 2017 (IAL) Paper 5 Q1

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SECTION A Answer ALL the questions in this section. You should aim to spend no more than 20 minutes . on this section. For each question, select one answer from A to D and put a cross in the box and then mark your new answer with a If you change your mind, put a line through the box . cross 1 Which of these elements is a transition metal? D O N O T W R I T E I A scandium tin titanium D zinc N T H I S A R E A (Total for Question 1 = 1 mark) 2 Thallium(III) ions oxidise iodide ions to iodine. 2I (cid:111) I2 + 2e 0.0012 mol of Tl3+ ions oxidised 0.0024 mol iodide ions. What is the oxidation number of the thallium ions produced in this reaction? A +1 B +2 C +4 D +5 3 The [Cu(H2O)6]2+ ion is blue because the water ligands split the 3d subshell and a 3d electron is promoted to a higher energy level (Total for Question 2 = 1 mark) A absorbing all but blue light as it drops back to its ground state. B emitting blue light as it drops back to its ground state. C absorbing all but blue light. D emitting all but blue light. Use this space for any rough working. Anything you write in this space will gain no credit. (Total for Question 3 = 1 mark) *P48387A0232* D O N O T W R I T E I N T H I S A R E A D O N O T W R I T E I N T H I S A R E A<br />

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