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Chemical Changes > Reactions of Acids > Flashcards

Reactions of Acids Flashcards

1
Q

When a metal reacts with an acid what is produced?

A

A salt + hydrogen

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2
Q

Why is it that hydrogen is produced when a metal reacts with an acid?

A

Because the metal is more reactive than hydrogen so it displaces hydrogen from its compound in the acid

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3
Q

What do all acids contain?

A

Hydrogen

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4
Q

Why type of salt is produced when a metal is reacted with hydrochloric acid?

A

A metal chloride

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5
Q

What type of salt is produced when a metal reacts with sulfuric acid?

A

A metal sulfate

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6
Q

What is the word equation for the reaction between magnesium and hydrochloric acid?

A

Magnesium + hydrochloric acid → Magnesium chloride + Hydrogen

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7
Q

What is the word equation for the reaction between magnesium and sulfuric acid?

A

Magnesium + Sulfuric acid → Magnesium sulfate + Hydrogen

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8
Q

What is the word equation for the reaction between zinc and sulfuric acid?

A

Zinc + Sulfuric acid → Zinc sulfate + Hydrogen

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9
Q

What is the word equation for the reaction between zinc and hydrochloric acid?

A

Zinc + hydrochloric acid → Zinc chloride + Hydrogen

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10
Q

What is the word equation for the reaction between iron and hydrochloric acid?

A

Iron + hydrochloric acid → Iron chloride + Hydrogen

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11
Q

What is the word equation for the reaction between iron and sulfuric acid?

A

Iron + sulfuric acid → Iron sulfate + Hydrogen

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12
Q

What happens when magnesium reacts with an acid?

And why?

in terms of reactivity

A

Magnesium reacts rapidly with acids

Because magnesium is more reactive than hydrogen and so easily displaces hydrogen from its compound

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13
Q

What happens when zinc reacts with an acid?

And why?

in terms of reactivity

A

Zinc reacts quite rapidly with acids

Because zinc is more reactive than hydrogen so it is quite easily able to displace hydrogen from its compound

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14
Q

What happens when iron reacts with an acid?

And why?

in terms of reactivity

A

Iron reacts slowly with acids

Because iron is only slightly more reactive than hydrogen, so it displaces hydrogen from its compound more slowly

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15
Q

Explain the rate of reaction between magnesium and an acid in terms of oxidation and reduction

A

Magnesium reacts rapidly with dilute acids

This is because it easily loses electrons in oxidation to form the Mg2+ ion

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16
Q

Explain the rate of reaction between zinc and an acid in terms of oxidation and reduction

A

Zinc reacts quite rapidly with dilute acids

This is because it quite easily loses electrons in oxidation to form Zn2+ ions

17
Q

Explain the rate of reaction between iron and an acid in terms of oxidation and reduction

A

Iron reacts slowly with dilute acids

This is because iron less easily loses electrons in oxidation to form the Fe2+ ions

18
Q

What are the reactions between metals and acids called?

A

REDOX reactions

Chemical Changes (8 decks)

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