Edexcel Jan 2016 (IAL) Paper 6 Q1

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(b) Dissolve A in the minimum volume of concentrated hydrochloric acid (c) (d) Gradually dilute a portion of the solution from (b) with distilled water Place a sample of solid A in a test tube and heat it strongly (e) Add dilute hydrochloric acid to the white solid obtained in (d) A yellow solution forms The formula of the cation in A could beThe yellow solution turns dark green then pale blue The formula of the cation in A is confirmed asA pale green gas is evolved which turns damp blue litmus paper red and then bleaches it A white solid residue remains A colourless solution forms The gas isSo the anion in A isThe white solid isThe type of reaction which results in the change from colourless to blue is (1) (1) (1) (2) 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 Answer ALL the questions. Write your answers in the spaces provided. 1 The inorganic salt A has one cation and one anion. Complete the table below. Test Observations Inferences (a) Observe the appearance of A A is a brown powder The part of the Periodic Table in which the metal element in A is likely to be found isShake the mixture vigorously The colourless solution turns blue(2) *P46942A0216*<br /> A E R A S I H T N I E T I R W T O N O D A E R A S I H T N I E T I R W T O N O D (f) Suggest a further test to confirm the identity of the cation in A. Give the result of the test. (2)(g) Suggest a test to confirm the identity of the anion in A. Give the result of the test. (2)(h) Give the formulae of the ions that give the yellow colour to the solution described in (b), and the green colour to the solution described in (c). (2) Yellow colourGreen colour(Total for Question 1 = 13 marks) A E R A S I H T N I E T I R W T O N O D *P46942A0316* Turn over<br />

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