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CGP GCSE Chem > Test for Sulfates with HCI and Barium Chloride > Flashcards

Test for Sulfates with HCI and Barium Chloride Flashcards

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1
Q

What do Sulfate ions produce?

A

A white precipitate

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2
Q

How do you test for a Sulfate ion?

A

Add dilute HCl, followed by barium chloride solution

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3
Q

What is the equation?

A

Ba²+ (aq) + SO4²-(aq) —> BaSO4(s)

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4
Q

What does a white precipitate of barium Sulfate mean?

A

The original compound was a Sulfate

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5
Q

Why is the hydrochloric acid added?

A

To get rid of any graves of carbonate or sulfite ions before you do the test - would produce a precipitate, confusing results)

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CGP GCSE Chem (233 decks)

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