Electrochemistry : ( Flashcards

1
Q

Oxidation

A

Gain of Oxygen
Loss of Hydrogens
Loss of electrons

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2
Q

Reduction

A

Loss of Oxygen
Gain of Hydrogens
Gain of electrons

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3
Q

Spontaneous Reactions

A

Requires a negative gradient

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4
Q

Cell Potential

A

Oxidant - Reductant

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5
Q

Function of Electrolyte

A

Source of Ions which maintains the neutrality of cells
Completes the circuit

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6
Q

Types of Electrodes

A

Platinum - gases
Graphite - Gases
Metal

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7
Q

What does Anodic Sludge contain

A

Typically rare precious metals such as Gold, Silver and Platinum / This is because they are stronger oxidants than copper so they wont readily oxidise

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