Acids, Bases and Salts Flashcards Preview

Chemistry A Level > Acids, Bases and Salts > Flashcards

Flashcards in Acids, Bases and Salts Deck (10):
1

What does Acid + Alkali form?

Salt + Water

2

What does Acid + Base form?

Salt + Water

3

What does Acid + Metal carbonate form?

Salt + Water + CO2

4

What does Acid + Metal form?

Salt + Hydrogen

5

How do you test for halide ions? (Cl, Br, I etc).
What colour is each ppt?

1. Add Silver nitrate (AgNO3)
2. If a halide is present, a precipitate will form.
These precipitates should be white for Chlorides, Cream for bromides and yellow for iodides.
3. Add dilute ammonia. If the precipitate dissolves, then there are chloride ions. If not, step 4.
4. Add concentrated ammonia. If the precipitate dissolves, then bromides are present. If not, then the halide ions are iodides.

6

What does partial disassociation mean?

At any time, some of the acid molecules have split up into H+ in and the appropriate anion, but some are still complete.

7

What is the definition of a base?

A proton acceptor

8

What is the definition of an acid?

A proton donor

9

What is the definition of an alkali?

A soluble base that releases OH- ions in water

10

What is the definition of a salt?

Salts are ionic compounds formed when the H+ ions in acids are replaced by metal ions or ammonium ions.