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chemistry > identify anion > Flashcards

identify anion Flashcards

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1
Q

test for Carbonate (CO3)
charge: -2

A

add dilute acid

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2
Q

result for the carbonate (CO3) test

A

effervescence (bubble)
»> CO2 is produced

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3
Q

test for Chloride (Cl-) in solution

A
  • acidify with dilute nitric aicd
  • add aqueous silver nitrate
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4
Q

result for chloride test (Cl-)

A

white precipitation

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5
Q

test for bromide (Br-) in solution

A
  • acidify with dilute nitric aicd
  • add aqueous silver nitrate
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6
Q

result for the bromide test

A

cream precipitate

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7
Q

test for nitrate (NO3) in the solution
charge: -1

A
  • add aqueous NaOH then aluminium foil
  • warm gently
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8
Q

result for the nitrate test

A
  • release ammonia (gas)
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9
Q

test for sulfate (SO4) in solution
charge: -2

A
  • acidify
  • add aqueous barium nitrate
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10
Q

result for sulfate test (SO4)

A
  • white precipitate formed
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chemistry (8 decks)

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