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Chemistry > Tests for anions > Flashcards

Tests for anions Flashcards

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1
Q

Carbonate, CO3 2-

A

Add dilute acid
Test for Carbon dioxide
-Effervescence, carbon dioxide produced

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2
Q

Chloride, Cl- (in solution)

A

Acidify with dilute nitric acid
Add aqueous silver nitrate
-White ppt

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3
Q

Bromide, Br- (in solution)

A

Acidify with dilute nitric acid
Add aqueous silver nitrate
-Cream ppt

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4
Q

Iodide, I- (in solution)

A

Acidify with dilute nitric acid
Add aqueous silver nitrate
-Yellow ppt

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5
Q

Nitrate, NO3- (in solution)

A

Add aqueous Sodium hydroxide (NaOH)
Add aluminium foil
Warm carefully
-Ammonia produced

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6
Q

Sulfate, SO4 2- (in solution)

A

Acidify with dilute nitric acid
Add aqueous barium nitrate
-White ppt

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7
Q

Sulfite, SO3 2-

A

Add a small volume of acidified potassium manganate (VII)
-Acidified potassium manganate(VII) changes from purple to colourless

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Chemistry (4 decks)

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