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My Chemistry > Qualitative Analysis > Flashcards

Qualitative Analysis Flashcards

1
Q

Test for carbonate ion?

A

Add HCl and Na2CO3 goes milky and gas produced

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2
Q

Test for sulfate ion?

A

Add BaCl form white precipitate

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3
Q

Test for chloride ion?

A

Add HNO3 and AgNO3 and a white precipitate formed

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4
Q

Test for bromide ion?

A

Add HNO3 and AgNO3 and a cream precipitate formed

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5
Q

Test for iodide ion?

A

Add HNO3 and AgNO3 and a yellow precipitate formed

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6
Q

Test for ammonium?

A

Add NaOH and warm and litmus paper turns blue

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7
Q

What is the correct sequence for the tests?

A

Carbonate, sulfates then halides

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8
Q

Why does the carbonate test need to be first?

A

Because no other ion will produce effervescence in these tests, therefore it can give a negative result

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9
Q

Why is the sulfate test second?

A

Because barium carbonate is also a white precipitate so the carbonate ion needs to be ruled out first

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My Chemistry (9 decks)

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