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Chemistry End Of Year > The Chemistry of Metals and the Reactivity Series > Flashcards

The Chemistry of Metals and the Reactivity Series Flashcards

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1
Q

Is there a pattern with the group 1 metals reacting with water

A

They get more reactive the further down the group

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2
Q

Why are they called the alkali metals

A

When they react with water they form an alkaline solution

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3
Q

Reactivity series

A

Most reactive
Potassium
Sodium
Lithium
Calcium
Magnesium
Aluminium
Carbon
Zinc
Iron
Lead
Hydrogen
Copper
Silver
Gold

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4
Q

What type of metals is group 1

A

Alkali

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5
Q

When alkali metals react with water what do they produce

A

Metal hydroxide and hydrogen

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6
Q

Write the equations for:
Lithium +water
Sodium +water
Potassium +water

A

Lithium+water—> lithium hydroxide +hydrogen
Sodium+water —> sodium hydroxide+ hydrogen
Potassium+water—> potassium hydroxide +hydrogen

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7
Q

What do metals have to be higher than in the reactivity series to react with water?

A

Hydrogen

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8
Q

Equation for a metal reacting with an acid

A

Metal + acid —> salt + hydrogen

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9
Q

Ending for hydrochloric, sulfuric and nitric acid

A

Chloride, sulfate, nitrate

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10
Q

Iron + sulphuric acid —>

A

Iron sulphate + hydrogen

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11
Q

What is a displacement reaction

A

When a more reactive metal takes the place of a less reactive metal

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12
Q

Displacement reaction equation

A

More reactive metal + less reactive metal compound —> less reactive metal + more reactive metal compound

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13
Q

What are salts

A

Neutral ionic compounds

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14
Q

Oxidation

A

When a substance gains oxygen in a reaction

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15
Q

Reduction

A

When a substance loses oxygen in a reaction

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16
Q

Thermite reaction equation

A

Aluminium + iron oxide —> aluminium oxide + iron

17
Q

What does it mean if a metal is higher than carbon in the reactivity series

A

It can react with water

18
Q

What is needed to rust/ corrode

A

Oxygen and water

19
Q

When metals corrode it’s called… when iron corrodes it’s called…

A

Corrosion, rusting

20
Q

Equation for rust

A

Iron + oxygen —> hydrated iron oxide (chemical name for rust)
(Water)

21
Q

What is the barrier method

A

Putting a barrier between the iron and the air e.g painting or oiling , rubber coating

22
Q

What is the sacrificial protection method

A

Attaching big blocks of metal more reactive than iron or the metal, this metal corrodes in preference

23
Q

What is the galvanising method

A

Invokes covering metal in another metal more reactive

24
Q

What’s the best anti rust method

A

Galvanising as it is both a sacrificial protection method and a barrier method

Chemistry End Of Year (3 decks)

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