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salt2 Flashcards

1
Q

What color is the flame for sodium ions?

A

Yellow

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2
Q

Which ion gives a brick-red flame test?

A

Lithium

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3
Q

What is the color of aqueous copper (II) ions?

A

Green

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4
Q

Which color precipitate does lead (II) iodide form?

A

Yellow

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5
Q

In a flame test, which ion gives a crimson-red flame?

A

Lithium

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6
Q

Which gas is evolved when ammonium chloride reacts with sodium hydroxide?

A

Ammonia

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7
Q

What color precipitate is formed when iron (III) chloride reacts with ammonium hydroxide?

A

White

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8
Q

Which test confirms sulfate ions with barium chloride?

A

Red precipitate

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9
Q

What is the color of the solution when cobalt (II) chloride is hydrated?

A

Pink

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10
Q

Which ion forms a blood-red complex with thiocyanate ions?

A

Copper (II)

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11
Q

Which ion produces a pale green precipitate with NaOH?

A

Iron (II)

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12
Q

What color change is observed when potassium dichromate is acidified?

A

Orange to green

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13
Q

Which cation forms a deep blue complex in an excess of ammonia?

A

Nickel

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14
Q

Which ion is identified by a white precipitate with ammonium oxalate?

A

Magnesium

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15
Q

What color is observed in a borax bead test for copper?

A

Blue

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16
Q

In flame tests, which ion gives a green color?

A

Sodium

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17
Q

What color precipitate is formed when Zn²⁺ ions react with NaOH?

A

White gelatinous

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18
Q

Which gas with a rotten egg smell is released when sulfide ions are treated with dilute HCl?

A

Ammonia

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19
Q

What is the color of lead chromate precipitate?

A

Yellow

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20
Q

Which cation produces a blood-red solution when it reacts with potassium thiocyanate?

A

Fe³⁺

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21
Q

What is the confirmatory color for ferrous ions with potassium hexacyanoferrate(III)?

A

Blue

22
Q

Which test is used to detect nitrate ions?

A

Brown ring test

23
Q

What is the color of the precipitate formed when silver ions react with chloride ions?

A

White

24
Q

Which ion produces a brown precipitate with sodium hydroxide?

A

Zn²⁺

25
Q

Which ion turns green when oxidized by potassium permanganate in acidic medium?

A

Fe²⁺

26
Q

Which reagent is used to distinguish between Fe²⁺ and Fe³⁺ ions?

A

NaCl

27
Q

Which ion forms a blue precipitate with potassium hexacyanoferrate(II) (Turnbull’s blue)?

A

Fe²⁺

28
Q

What is the color of the precipitate formed when silver nitrate reacts with bromide ions?

A

Yellow

29
Q

Which ion forms a dark blue precipitate with starch solution and iodine?

A

Sulfate

30
Q

What gas is evolved when carbonate ions react with dilute HCl?

A

CO₂

31
Q

What is the color of chromium (III) ions in solution?

A

Green

32
Q

Which ion forms a yellow precipitate with potassium chromate?

A

Ba²⁺

33
Q

What is the confirmatory test for phosphate ions?

A

Yellow precipitate with AgNO₃

34
Q

Which reagent produces a white precipitate with Ba²⁺ ions in acidic medium?

A

HCl

35
Q

What color does Zn²⁺ produce in the borax bead test?

A

Green

36
Q

Which ion can be identified by a black precipitate with H₂S in acidic medium?

A

Cu²⁺

37
Q

What color precipitate does Mn²⁺ form with NaOH?

A

Blue

38
Q

What is the color of the flame for strontium ions?

A

Red

39
Q

What is the confirmatory color for carbonate ions with calcium hydroxide?

A

Turbid

40
Q

Which ion forms a pale yellow precipitate with NaOH?

A

Fe²⁺

41
Q

Which reagent confirms the presence of nitrate ions?

A

Starch solution

42
Q

What color does Ni²⁺ produce with dimethylglyoxime?

A

Red

43
Q

Which ion produces a deep red color with sodium acetate and acetic acid?

A

Hg²⁺

44
Q

What is the confirmatory test for chloride ions?

A

White precipitate with AgNO₃

45
Q

What color does Al³⁺ produce with alizarin reagent?

A

Yellow

46
Q

Which ion gives a blue color with dimethylglyoxime in the presence of ammonia?

A

Mg²⁺

47
Q

What gas is evolved when chloride ions are treated with concentrated sulfuric acid?

A

CO₂

48
Q

Which ion gives a red color with ferric chloride in neutral medium?

A

Acetate

49
Q

What is the color of the precipitate formed when lead (II) reacts with potassium iodide?

A

Yellow

50
Q

Which ion is confirmed by a reddish-brown coloration with dilute sulfuric acid and KMnO₄?

A

NO₃⁻

51
Q

What is the characteristic color of permanganate ion in solution?

A

Purple

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