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Chemistry A-Level > Oxidation Numbers Rules > Flashcards

Oxidation Numbers Rules Flashcards

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1
Q

What is the oxidation state of hydrogen in a compound and what is the exception?

A

It is usually +1
Unless it’s bonded with a metal —> then it becomes -1 (hydrides)

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2
Q

What is the oxidation state of fluorine in a compound?

A

1

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3
Q

What is the oxidation number of oxygen in a peroxide?

A

-1

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4
Q

What is the oxidation number of oxygen when it is bonded to fluorine?

A

+1

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5
Q

What are the oxidation states of chlorine, bromine and iodine and what are the exceptions?

A

Usually -1
Except when in a compound with oxygen

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Chemistry A-Level (22 decks)

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