Chemistry - Redox Reactions

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10 Terms

1
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What does the fixes “Red”’ and “ox” respectively refer to?

Reduction & Oxidation

2
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What occurs during reduction ?

  • Loss of O2

  • Gain H2

  • Gain electrons

3
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What occurs during oxidation?

  • Gain O2

  • Loss of H2

  • Loss of electrons

4
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What is the chemical name for rust?

hydrated iron (III) oxide

5
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What is oxidation?

The loss of electrons by an element in it’s free state or an element in a compound.

6
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What is reduction?

The gain of electrons by an element in it’s free state or an element in a compound.

7
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OIL RIG

O- oxidation

I- is

L- loss (electrons)

R- reduction

I- is

G- gain (electrons)

8
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If a substance is reduced, whatever it’s reacting with is ……

oxidating

9
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What’s a oxidation half equation?

the equation that ONLY shows the loss of electrons

10
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What’s a reduction half equation?

the equation that ONLY shows the gain of electrons