Color of metal oxides in solid state and their color of flames Flashcards by Janice. w | Brainscape

Q

ZnO(s)
zinc oxide

A

white when cold; yellow when hot

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Q

PbO(s)
lead(II) oxide

A

yellow when cold; orange when hot

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Q

CuO(s)
copper (II) oxide

A

black

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Q

Fe3O4 (s)
iron(II,III) oxide

A

black

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Q

HgO (s)
mercury(II) oxide

A

red

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Q

K ion (flame)

A

lilac flame

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Q

Na ion (flame)

A

golden yellow flame

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Q

Ca ion (flame)

A

brick red flame

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Q

Flame of Mg when reacting with oxygen gas

A

bright white flame

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Q

flame of Fe when reacting with oxygen gas

A

yellow showery sparks

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