Redox equilibria AQA A2 chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Where does the positive electrode sit? | right
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| Whats at the positive electrode? | the more positive subsance
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| Where does the negative electrode sit? | left
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| Whats at the negative electrode? | the more negative substance
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| If a substance is more negative it is more likely to be? | Oxidised or be a reducing agent
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| If a substance is more positive it is more likely to be? | reduced or be a oxidising agent
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| How do you work out potential difference? | right-left
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| What does oil rig stand for? | Oxidation is loss, reduction is gain
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| What happens to the oxidation state if something is oxidised? | goes up
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| What happens to the oxidation state if something is reduced? | goes down
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| What are the standard conditions for measuring standard potential difference? | 1 moldm-3, 100kpa, 289k
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| Whats standard electrode potential measured against? | H2 gas
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| What is the platinum wire used for in fluid electrodes? | A surface for the reaction to take place on
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| What must cancel out when making a balanced ionic equation? | electrons
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Created by:
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