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A2 Chemistry Unit 3 > Test For COOH group > Flashcards

Test For COOH group Flashcards

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1
Q

How do you test for a COOH group (Na2CO3)

A

Add a spatula measure of Na2CO3 (sodium carbonate)

Or sodium hydrogencarbonate

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2
Q

Describe a positive test

A

Gas released
Solid disappears
Bubble gas through limewater and it changes from colourless to milky

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3
Q

How do you test for a COOH group (with Mg) and what are the observations for a positive test

A

Add a strip of magnesium ribbon to a few cm^3 of the liquid
Gas released
Mg disappears
Test gas with lid splint - pop sound

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A2 Chemistry Unit 3 (24 decks)

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