TESTS Flashcards

1
Q

What is the test for sulfate ions?

A

Sulfate solution reacts with barium chloride and a white precipitate of insoluble barium sulfate is formed.
e.g: sodium sulfate + barium chloride ~> sodium chloride + barium sulfate

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2
Q

What happens when copper is added to dilute sodium hydroxide solution?

A

It turns blue (jelly like precipitate formed)

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3
Q

What happens when iron (II) is added to dilute sodium hydroxide solution?

A

It turns green (jelly like precipitate formed)

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4
Q

What happens when iron (III) is added to dilute sodium hydroxide solution?

A

Brown (jelly like precipitate formed)

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