ElectrolysisMemory Aid

Memory Aids

Part of Electrolysis of AluminiumGCSE Chemistry

This memory aid covers Memory Aids within Electrolysis of Aluminium for GCSE Chemistry. Revise Electrolysis of Aluminium in Electrolysis for GCSE Chemistry with 20 exam-style questions and 0 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 9 of 13 in this topic. Use it for quick recall, then test yourself straight afterwards so the memory aid becomes usable in an answer.

Topic position

Section 9 of 13

Practice

20 questions

Recall

0 flashcards

🧠 Memory Aids

PANIC = Positive Anode, Negative Is Cathode

Use this to remember which electrode is which: the Positive electrode is the Anode, the Negative Is the Cathode.

CATions go to the CAThode — both start with "CAT". ANions go to the ANode — both start with "AN".

OIL RIG — Oxidation Is Loss (of electrons), Reduction Is Gain (of electrons). At the anode = oxidation (loss). At the cathode = reduction (gain).

For the anode burning away: "The ANODE gets ATE — it reacts with oxygen and burns away as CO₂!"

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Read this section alongside the surrounding pages in Electrolysis of Aluminium. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Electrolysis of Aluminium

Why is aluminium extracted by electrolysis rather than by reduction with carbon?

  • A. Aluminium is less reactive than carbon
  • B. Aluminium is more reactive than carbon
  • C. Aluminium does not form ions
  • D. Carbon reacts with aluminium to form carbides
1 markfoundation

Explain why aluminium is extracted by electrolysis rather than by reduction with carbon.

2 marksstandard

Quick Recall Flashcards

What does OIL RIG stand for?
Oxidation Is Loss (of electrons), Reduction Is Gain (of electrons). At the Anode = Oxidation (loss). At the Cathode = Reduction (gain).
Why do the carbon anodes need replacing regularly?
At 950°C, the oxygen produced at the anode reacts with the hot carbon: C + O₂ → CO₂. The carbon is gradually burned away, so the anodes must be replaced periodically.

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