electrolysis Flashcards

1
Q

what is electrolysis?

A

the process of breaking down an ionic compound

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2
Q

what is an electrolyte

A

a liquid thats broken down by an electric charge

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3
Q

what are the electrodes ?

A

graphite rods that carry a current in and out of the electrolyte

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4
Q

what is the cathode ?

A

the negative electrode

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5
Q

what is the anode?

A

the positive electrode

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6
Q

what ions are attracted to the cathode ?

A

positive ions

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7
Q

what ions are attracted to the anode?

A

negative ions

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8
Q

can solid ionic compounds conduct electricty?

A

no

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9
Q

why cant solid ionic compounds conduct electricity ?

A

. because ions are locked in place cannot move around
. string electrostatic forces

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10
Q

what does molten mean?

A

melted

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11
Q

what do you do to a solid ionic compound to seperate the ions in electrolysis ?

A

melt it otheriwse electrolysis cannot be used

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12
Q

what reaction is it when negative ions go to the positive electrode?

A

a reduction reaction

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13
Q

what kind of reaction is it when the positive ions go to the negative elctrode ?

A

oxidation reaction

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14
Q

what is a reduction reaction?

A

. gain of electrons
. loss of oxygen

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15
Q

what is an oxidation reaction?

A

. loss of electrons
. gain of oxygen

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