Topic 9 Flashcards

1
Q

Why is the test for any ion unique?

A

The results of a test must let you determine which ion is present, rather than being uncertain about which ion it is.

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2
Q

Flame test for lithium, Li (in solid ions)

A

Red flame

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3
Q

Flame test for Sodium, Na (in solid ions)

A

Yellow flame

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4
Q

Flame test for Potassium, K (in solid ions)

A

Lilac flame

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5
Q

Flame test for Calcium, Ca (in solid ions)

A

Orange / red flame

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6
Q

Flame test for Copper, Cu (in solid ions)

A

Green / blue flame

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7
Q

Test for Aluminium, Al using sodium hydroxide solution

A
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8
Q

Test for Calcium, Ca using sodium hydroxide solution

A
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9
Q

Test for Copper, Cu using sodium hydroxide solution

A
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10
Q

Test for Iron (II), Fe using sodium hydroxide solution

A
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11
Q

Test for Iron (III), Fe using sodium hydroxide solution

A
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12
Q

Test for Ammonium, NH4 using sodium hydroxide solution

A
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13
Q

Describe the chemical test for Ammonia

A
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14
Q

Test for carbonate ion, CO3 using dilute acid and identifying the carbon dioxide evolved

A
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15
Q

Test for sulfate ion, SO4 using dilute hydrochloric acid and barium chloride solution

A
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16
Q

Test for chloride ion, Cl, bromide ion, Br, iodide ion, I, using dilute nitric acid and silver nitrate solution

17
Q

Recall the formulae of molecules of methane

18
Q

Recall the formulae of molecules of ethane

19
Q

Recall the formulae of molecules of propane

20
Q

Recall the formulae of molecules of butane

21
Q

Why are alkanes saturated hydrocarbons?

22
Q

Recall the formulae of molecules of methene

23
Q

Recall the formulae of molecules of ethene

24
Q

Recall the formulae of molecules of propene

25
Q

Recall the formulae of molecules of butene

26
Q

Why are alkenes unsaturated hydrocarbons?

27
Q

How is bromine water used to distinguish between alkanes and alkenes?