Topic 4- Oxidising and reducing Flashcards

1
Q

What is oxidation?

A

loss of electrons

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2
Q

What is reduction?

A

gain of electrons

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3
Q

What is an oxidising agent?

A

is a substance which accepts electrons

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4
Q

What is a reducing agent?

A

a substance which donates electrons

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5
Q

In what group are the strongest oxidising agents found in?

A

group 7

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6
Q

In what group are the strongest reducing agents found in?

A

group 1

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7
Q

Name a gas that can be used as a reducing agent.

A

carbon monoxide

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8
Q

Name two ions that are strong oxidising agents.

A

dichromate and permanganate ions

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9
Q

Do oxidising agents have high or low electronegativities?

A

high

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10
Q

Do reducing agents have high or low electronegativities?

A

low

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11
Q

What is the electrochemical series used to indicate?

A

It indicates the effectiveness of oxidising and reducing agents.

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12
Q

What are oxidising agents used for?

A

Oxidising agents are widely employed because of
the effectiveness with which they can kill fungi and
bacteria, and can inactivate viruses.

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