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                    (e)    Write the formula of the species formed, and describe what occurs when

                            (i)   ammonia solution is added to aqueous copper (II) sulphate (IV)

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                            (ii)   an excess of ammonia solution is added to (e) (i).

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                    (f)    The presence of carbon monoxide in the blood can prevent oxygen from reaching the
                           tissues.                                                                                    DO NOT WRITE IN THIS AREA

                           Use the ligand exchange theory to account for this occurrence.


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