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Chemistry > Testing and Recognising Ions > Flashcards

Testing and Recognising Ions Flashcards

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1
Q

Charge and symbol: Lithium

A

+1

Li+

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2
Q

Charge and symbol: sodium

A

+1

Na+

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3
Q

Charge and symbol: potassium

A

+1

K+

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4
Q

Charge and symbol: hydrogen

A

+1

H+

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5
Q

Charge and symbol: silver

A

+1

Ag+

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6
Q

Charge and symbol: ammonium

A

+1

NH4 +

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7
Q

Charge and symbol: calcium

A

+2

Ca 2+

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8
Q

Charge and symbol: magnesium

A

+2

Mg 2+

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9
Q

Charge and symbol: barium

A

+2

Ba 2+

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10
Q

Charge and symbol: copper(ii)

A

+2

Cu 2+

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11
Q

Charge and symbol: zinc

A

+2

Zn 2+

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12
Q

Charge and symbol: iron(ii)

A

+2

Fe 2+

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13
Q

Charge and symbol: lead (ii)

A

+2

Pb 2+

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14
Q

Charge and symbol: aluminium

A

+3

Al 3+

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15
Q

Charge and symbol: iron(ii)

A

+3

Fe 3+

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16
Q

Charge and symbol: fluoride

A

-1

F-

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17
Q

Charge and symbol: chloride

A

-1

Cl-

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18
Q

Charge and symbol: bromide

A

-1

Br-

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19
Q

Charge and symbol: iodide

A

-1

I-

20
Q

Charge and symbol: hydroxide

A

-1

OH-

21
Q

Charge and symbol: nitrate

A

-1

NO3-

22
Q

Charge and symbol: oxide

A

-2

O 2-

23
Q

Charge and symbol: sulphide

A

-2

S 2-

24
Q

Charge and symbol: carbonate

A

-2

CO3 2-

25
Q

Charge and symbol: sulphate

A

-2

SO4 2-

26
Q

Charge and symbol: sulphite

A

-2

S 2-

27
Q

Solid flame test: Lithium

A

scarlet red

28
Q

Solid flame test: sodium

A

orange

29
Q

Solid flame test: potassium

A

lilac

30
Q

Solid flame test: calcium 2+

A

brick red

31
Q

Solutions (addition of NaOH to solution): iron 2+

A

green

32
Q

Solutions (addition of NaOH to solution): iron 3+

A

orange/brown

33
Q

Solutions (addition of NaOH to solution): copper

A

blue

34
Q

Solutions (addition of NaOH to solution): ammonium

A

no precipitate but ammonia smell

35
Q

Halide test (addition of nitric acid and silver nitrate to solution): chloride

A

white pp

36
Q

Halide test (addition of nitric acid and silver nitrate to solution): bromide

A

cream pp

37
Q

Halide test (addition of nitric acid and silver nitrate to solution): iodide

A

yellow pp

38
Q

sulphate test (addition of HCl and barium chloride to solution): sulphate

A

white pp

39
Q

carbonate test (addition of HCl then bubble the gas through limewater): carbonate

A

effervescing (fizzing)

limewater goes cloudy

40
Q

how to make and test for: oxygen

A

hydrogen peroxide and manganese oxide

relights a glowing splint

41
Q

how to make and test for: carbon dioxide

A

hydrochloric/sulphuric acid and metal (calcium usually) carbonate
makes limewater go cloudy

42
Q

how to make and test for: hydrogen

A

hydrochloric/sulphuric acid and metal more reactive than hydrogen
squeaky pop when lit splint is in presence of hydrogen

43
Q

how to test for ammonia

A

damp red litmus paper turns blue

44
Q

who to test for chlorine

A

damp litmus (any colour) gets bleached

45
Q

colour in acid/neutral/alkali solution: litmus

A

stays red/turns red
stays colour
stays blue/turns blue

46
Q

colour in acid/neutral/alkali solution: methyl orange

A

red
yellow
yellow

47
Q

colour in acid/neutral/alkali solution: phenolphthalein

A

colourless
colourless
pink

Chemistry (11 decks)

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