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Chemistry > C8: FLAME TESTS > Flashcards

C8: FLAME TESTS Flashcards

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1
Q

Flame test method

A

-nichrome wire cleaned with concentrated HCL
-wire is dipped in sample of compound
-wire is placed in blue bunsen flame
-record colour of flame

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2
Q

What is the colour of flame produced from a compound containing lithium?

A

crimson

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3
Q

What is the colour of flame produced from a compound containing copper?

A

green

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4
Q

What is the colour of flame produced from a compound containing sodium?

A

yellow

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5
Q

What is the colour of flame produced from a compound containing potassium?

A

lilac

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6
Q

What is the colour of flame produced from a compound containing calcium?

A

orange-red

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7
Q

What instrumental method can be used to test for metal ions?

A

flame emission spectroscopy

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8
Q

Flame emission spectroscopy method

A

-sample put into flame
-light given out passed through a spectroscope
-spectrum can be analysed to identify metal ions and measure their conc.

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Chemistry (27 decks)

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