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2. Answer all parts Describe in detail, using diagrams and reaction equations, what happens when a...
2. Answer all parts Describe in detail, using diagrams and reaction equations, what happens when a current of electricity is passed through (i) a solution of potassium chloride (KCI) in water and (i) water containing a little sulphuric acid (H2SO4). (a) [11 marks] (b) Explain why potassium is formed when a current of electricity is passed through fused (molten) potassium chloride but not through a solution of potassium chloride in water as in (a). In the case of fused potassium...