Electrolysis of Aqueous Solutions (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
Why is electrolysis of aqueous solutions more complex than molten ionic compounds?
Why is electrolysis of aqueous solutions more complex than molten ionic compounds?
Water can undergo electrolysis too
What ions does water produce when it partially dissociates?
What ions does water produce when it partially dissociates?
and ions
Which ions participate in electrolysis of an aqueous solution?
Which ions participate in electrolysis of an aqueous solution?
Both dissolved compound & water ions
At the cathode, which ion is reduced?
At the cathode, which ion is reduced?
The less reactive ion
At the anode, which ion is oxidised?
At the anode, which ion is oxidised?
The ion oxidised more easily
In electrolysis, which ions are present at the cathode?
In electrolysis, which ions are present at the cathode?
and ions
Why are ions reduced at the cathode in electrolysis?
Why are ions reduced at the cathode in electrolysis?
Copper is less reactive than hydrogen
What product forms at the cathode during electrolysis?
What product forms at the cathode during electrolysis?
Solid copper deposits
What is produced at the anode in electrolysis when no halides are present?
What is produced at the anode in electrolysis when no halides are present?
Oxygen gas and water
What happens with reactive cations like at the cathode?
What happens with reactive cations like at the cathode?
ions are reduced instead
Which ions are usually oxidised at the anode if present?
Which ions are usually oxidised at the anode if present?
Halide ions like