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Identification of ions and gases > Anions > Flashcards

Anions Flashcards

1
Q

Carbonates

A

Add dilute HCl

Effervescence, gas produced CO2 turns lime water milky

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2
Q

Chloride

A

Acidify solution with dilute nitric acid and add aqueous silver nitrate
White precipitate formed

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3
Q

Bromide

A

Acidify the solution with dilute nitric acid and add aqueous silver nitrate
Cream precipitate formed

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4
Q

Iodide

A

Acidify the solution with dilute nitric acid and add aqueous silver nitrate
Yellow precipitate formed

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5
Q

Nitrate

A

Add sodium hydroxide , then add a piece of aluminium foil and warm it
Effervescence is observed which is Ammonia and it turns moisty red litmus paper blue

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6
Q

Sulfate

A

Acidify the solution with dilute nitric acid and add aqueous barium chloride
or
Acidify the solution with dilute hydrochloric acid and add aqueous barium chloride
White precipitate formed

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7
Q

Sulfite

A

Add dilute hydrochloric acid and then add potassium manganate (VII) solution
Decolorises potassium manganate (VII) solution

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Identification of ions and gases (2 decks)

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