Edexcel Jun 2017 (IAL) Paper 1 Q11

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11 Which of the following series shows the elements in order of increasing melting temperature? A Li, Na, K B Al, Si, P C Na, Mg, Al D S, Cl, Ar 12 Consider the reaction (Total for Question 11 = 1 mark) H2(g) + I2(g) (cid:111)(cid:3)2HI (g) (cid:507)H = 9.0 kJ mol1 The bond energy of HH = 436 kJ mol1 The bond energy of HI = 298 kJ mol1 It can be deduced that the bond energy of II, in kJ mol1, is A 75.5 B 84.5 C 151 D 169 Use this space for any rough working. Anything you write in this space will gain no credit. (Total for Question 12 = 1 mark) *P48382A0624* 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 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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