Edexcel Jan 2017 (IAL) Paper 2 Q13

Answers available below

12 The reaction between a potassium halide and silver nitrate in solution is KX(aq) + AgNO3(aq) (cid:111) KNO3(aq) + AgX(s) The ionic equation for this reaction is A K+(aq) + NO3 (aq) (cid:111) KNO3(aq) B KX(aq) + Ag+(aq) (cid:111) K+(aq) + AgX(s) C X(aq) + Ag+(aq) (cid:111) AgX(s) D K+(aq) + X(aq) + Ag+(aq) + NO3 (aq) (cid:111) K+(aq) + NO3 (aq) + AgX(s) (Total for Question 12 = 1 mark) D O N O T W R I T E I N T H I S A R E A 13 An energy level diagram for a reaction with an intermediate can be drawn as shown. Energy / kJ mol1 Reactants A Intermediate Products Which arrow indicates the enthalpy change for this reaction? Reaction pathway (Total for Question 13 = 1 mark) *P48368A0624* 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 />

Show answer