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*Chemistry: Definitions > Acids And Bases > Flashcards

Acids And Bases Flashcards

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1
Q

What is the Arrhenius definition of an acid?

A

An acid is a substance that dissociates in water to produce H+ ions

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2
Q

What is the Arrhenius definition of a strong acid?

A

A strong acid is a substance that almost completely dissociate in water to give hydrogen ions

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3
Q

What is the Arrhenius definition of a weak acid?

A

A weak acid is a substance that only slightly dissociates in water to give hydrogen ions

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4
Q

What is the Arrhenius definition of a base?

A

A base is a substance that dissociates in water to produce OH- ions

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5
Q

What is the Arrhenius definition of a strong base?

A

A strong base is a substance that almost completely dissociates in water to give hydroxide (hydroxyl) ions (OH-)

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6
Q

What is the Arrhenius definition of a weak base?

A

A weak base is a substance that only slightly dissociates in water to give hydroxide ions (OH-)

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7
Q

What is the Bronsted-Lowry definition of an acid?

A

An acid is a proton donor

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8
Q

What Bronsted-Lowry definition of a base?

A

A base is a proton acceptor

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9
Q

What is a the Bronsted-Lowry definition of a strong acid?

A

A good proton donor

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10
Q

What is the Bronsted-Lowry definition of a weak acid?

A

A poor proton donor

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11
Q

What is the Bronsted-Lowry definition of a strong base?

A

A good proton acceptor

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12
Q

What is the Bronsted-Lowry definition of a weak base?

A

A poor proton acceptor

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13
Q

What does an acid change into it’s conjugate base?

A

An acid changes into it’s conjugate base when it donates a proton

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14
Q

When does a base change into it’s conjugate acid?

A

When it accepts a proton

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15
Q

What is a conjugate acid-base-pair (conjugate pair)?

A

Any pair consisting of an acid and a base that differ by one proton

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16
Q

What is a salt?

A

A salt is the substance formed when the hydrogen ion from an acid is replaced by a metal or an ammonium ion.

17
Q

What is neutralisation?

A

Neutralisation is the reaction between an acid and a base to form a salt and water

Acid + base –> salt + water

*Chemistry: Definitions (22 decks)

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