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Chemistry 4.2 > Detecting Cations > Flashcards

Detecting Cations Flashcards

1
Q

Name the metal used in flame tests and why it is used

A

Nichrome wire because it is inert

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2
Q

Cations are positive or negative

A

Positive

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3
Q

Red flame

A

Lithium

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4
Q

Yellow flame

A

Sodium

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5
Q

Lilac flame

A

Potassium

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6
Q

Orange red flame

A

Calcium

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7
Q

Green blue flame

A

Copper

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8
Q

Chemical used in hydroxide precipitate tests

A

Sodium hydroxide

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9
Q

Green precipitate

A

Iron (ll)

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10
Q

Orange brown precipitate

A

Iron (lll)

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11
Q

Blue precipitate

A

Copper (ll)

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12
Q

White precipitate, doesn’t dissolve in excess solution

A

Calcium

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13
Q

White precipitate, dissolves in excess solution

A

Zinc

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Chemistry 4.2 (3 decks)

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