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Year 12 chemistry > 4.2.4 - Other reactions with halides > Flashcards

4.2.4 - Other reactions with halides Flashcards

1
Q

What precipitate is formed when chloride ions react with silver nitrate solution?

A

White

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2
Q

What precipitate is formed when bromide ions react with silver nitrate solution?

A

Cream

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3
Q

What precipitate is formed when iodide ions react with silver nitrate solution?

A

Yellow

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4
Q

Are Chloride ions soluble or insoluble in dilute aqueous ammonia?

A

Soluble

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5
Q

Are Bromide ions soluble or insoluble in dilute aqueous ammonia?

A

Insoluble

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6
Q

Are Iodide ions soluble or insoluble in dilute aqueous ammonia?

A

Insoluble

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7
Q

Are chloride ions soluble or insoluble in concentrated ammonia?

A

Soluble

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8
Q

Are bromide ions soluble or insoluble in concentrated ammonia?

A

Soluble

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9
Q

Are Iodide ions soluble or insoluble in concentrated ammonia?

A

Insoluble

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10
Q

Why do we add ammonia in this test?

A

To distinguish between similar colours

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11
Q

What will happen if the ions are soluble in ammonia when ammonia is added to distinguish the halide present?

A

The solution will turn colourless

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12
Q

What are the reagents for testing for halides?

A

Silver nitrate solution
Dilute nitric acid

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13
Q

Why is dilute nitric acid added before testing for halides?

A

To remove anions especially carbonates

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14
Q

Why can’t you add silver nitrate to test for fluoride ions?

A

Silver fluoride is soluble

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15
Q

What happens if a halide is soluble in ammonia?

A

The solution turns colourless.
From its original colour e.g white, cream and yellow

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16
Q

What is formed when hydrogen halides react with water?

A

Acidic solutions

Year 12 chemistry (29 decks)

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