Edexcel Jan 2017 (IAL) Paper 5 Q3

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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 If you change your mind, put a line through the box . cross and then mark your new answer with a 1 Which set of successive ionisation energies, in kJ mol1, could not be for a transition element? D O N O T W R I T E I N T H I S A R E A A 653 1 592 2 987 4 740 658 1 310 2 653 4 175 759 1 561 2 958 5 290 900 1 757 14 849 21 007 2 The bonding within the complex ion, [Cu(H2O)6]2+ is A covalent and dative covalent only. covalent, dative covalent and ionic. covalent only. dative covalent only. (Total for Question 1 = 1 mark) D O N O T W R I T E I (Total for Question 2 = 1 mark) 3 An aqueous solution of a transition metal ion formed a green precipitate with both ammonia and sodium hydroxide solutions. The green precipitate dissolved to form a blue solution with excess ammonia, but was insoluble in excess sodium hydroxide. Which of these is the transition metal ion? A Cr 3+ B Cu2+ C Fe2+ D Ni2+ (Total for Question 3 = 1 mark) *P48373A0232* 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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