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A-level Chemistry > Salts > Flashcards

Salts Flashcards

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1
Q

What is the first solubility rule?

A

That most nitrate(NO3-) salts are soluble

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2
Q

What is the second solubility rule?

A

Most salts containing the alkali metal ions (Li+, K+, Cs+, Rb+) and the ammonium ion are soluble

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3
Q

What is the third solubility rule?

A

Most chloride, bromide and iodide salts are soluble.Exceptions are salts containing the ions Ag+, Pb2+ and Hg2+.

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4
Q

What is the 4th solubility rule?

A

Most sulfate salts are soluble. Notable exceptions are BaSO4, PbSO4, HgSO4 and CaSO4.

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5
Q

What is the 5th solubility rule?

A

Most hydroxide salts are insoluble. The important soluble hydroxides are NaOH and KOH. The hydroxides of barium, strontium and calcium are marginally soluble.

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6
Q

What is the 6th solubility rule?

A

Most sulfide (S2-), carbonate (CO32-) , chromate (CrO42-) and phosphate (PO43-) salts are insoluble

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7
Q

Is zinc chromate soluble or insoluble, and why?

A

Soluble, most nitrate salts are soluble

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8
Q

Is calcium carbonate soluble or insoluble, and why?

A

Insoluble, most carbonate salts are insoluble

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9
Q

Is silver iodide soluble or insoluble, and why?

A

Insoluble, silver is an exception to rule 3

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10
Q

Is ammonium carbonate soluble, or insoluble and why?

A

Soluble, ammonium ions are soluble

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11
Q

Complete the displacement reaction for copper and magnesium nitrate (word equation)

A

Answer in book

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12
Q

Complete the symbol equation for the displacement reaction between copper and magnesium nitrate

A

Answer in book

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13
Q

Complete the word equation for the displacement reaction between magnesium and iron hydroxide

A

Answer in book

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14
Q

Complete the symbol equation for the displacement reaction between magnesium and iron hydroxide

A

Answer in book

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15
Q

Complete the word equation for the displacement reaction between barium and magnesium sulfate

A

Answer in book

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16
Q

Complete the symbol equation for the displacement reaction between barium and magnesium sulfate

A

Answer in book

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17
Q

Complete the word equation for the displacement reaction between lead and copper sulfate

A

Answer in book

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18
Q

Complete the symbol equation for the displacement reaction between lead and copper sulfate

A

Answer in book

19
Q

Complete the word equation for the displacement reaction between iron and copper chloride

A

Answer in book

20
Q

Complete the symbol equation for the displacement reaction between iron and copper chloride

A

Answer in book

21
Q

Complete the word equation for the displacement reaction between copper and zinc chromate

A

Answer in book

22
Q

Complete the symbol equation for the displacement reaction between copper and zinc chromate

A

Answer in book

23
Q

What is the first reaction (word equation) in making copper sulfate?

A

Copper carbonate -≥ copper oxide + carbon dioxide

24
Q

What is the first reaction in making copper carbonate called?

A

A thermal decomposition reaction

25
Q

How many grams of copper oxide are heated?

A

2.5g

26
Q

What is the word equation for the second reaction in making copper sulfate salt?

A

Copper oxide + sulfuric acid -≥ copper sulfate + water

27
Q

How much sulfuric acid is used ?

A

25cm^3

28
Q

What does HRC stand for?

A

Hazard, Risk, Caution

29
Q

What visible colour change occurs when copper carbonate is broken down by heat?

A

Colour change from green to black

30
Q

Why is the sulfuric acid heated before adding in the copper oxide?

A

To increase the rate of reaction

31
Q

Should the evaporating basin be put straight over the Bunsen burner or on top of a beaker of water?

A

Over a beaker of water, so that it’s not over heated.

32
Q

What is the colour of the calcium nitrate precipitate?

A

White

33
Q

What is the colour of the copper sulfate precipitate?

A

Light blue

34
Q

What is the colour of the cobalt chloride precipitate?

A

Dark blue

35
Q

What is the colour of the Iron II sulfate precipitate?

A

Green/yellow

36
Q

What is the colour of the iron III sulfate precipitate?

A

Brown

37
Q

What’s the colour of the aluminium sulfate precipitate?

A

White

38
Q

What is the word and symbol equation for the sodium hydroxide and calcium nitrate displacement reaction?

A

Answer in book

39
Q

What is the word and symbol equation for the sodium hydroxide and copper sulfate displacement reaction?

A

Answer in book

40
Q

What is the word and symbol equation for the sodium hydroxide and cobalt chloride displacement reaction?

A

Answer in book

41
Q

What is the word and symbol equation for the sodium hydroxide and Iron II sulfate displacement reaction?

A

Answer in book

42
Q

What is the word and symbol equation for the sodium hydroxide and Iron III sulfate displacement reaction?

A

Answer in book

43
Q

What is the word and symbol equation for the sodium hydroxide and aluminium sulfate displacement reaction?

A

Answer in book

A-level Chemistry (19 decks)

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