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Chemistry > Acids And Bases > Flashcards

Acids And Bases Flashcards

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1
Q

Arrhenius’ definition of an acid

A

A substance that dissociates in water to produce hydrogen ions

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2
Q

Arrhenius’ definition of a strong acid

A

A substance that almost completely dissociates in water to produce hydrogen ions

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3
Q

Arrhenius’ definition of a weak acid

A

A substance that only slightly dissociates in water to produce hydrogen ions

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4
Q

Arrhenius’ definition of a base

A

A substance that dissociates in water to produce s hydroxide ion

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5
Q

Arrhenius’ definition of a strong base

A

A substance that almost completely dissociates in water to produce hydroxide ions

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6
Q

Arrhenius’ definition of a weak base

A

A substance that only slightly dissociates in water to produce hydroxide ions

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7
Q

Monobasic

A

Only produces one hydrogen ion

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8
Q

Dibasic

A

Produces two hydrogen ions

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9
Q

Tribasic

A

Produces three hydrogen ions

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10
Q

Since hydrogen ions are bare protons ….

A

It makes a covalent bond or dative covalent bond

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11
Q

Shortcomings to Arrhenius’ definition of an acid and a base

A

Ammonia, benzene, methylbenzene and other solvents are not included
Not all acid-base reactions requires water
H3O+ not H+ ions exist in the solution

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12
Q

Brønsted-Lowry’s definition of an acid

A

Proton donor

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13
Q

Brønsted-Lowry’s definition of a base

A

Proton acceptor

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14
Q

Brønsted-Lowry’s definition of a weak acid

A

Poor proton donor

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15
Q

Brønsted-Lowry’s definition of a strong acid

A

Good proton donor

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16
Q

Brønsted-Lowry’s definition of a strong base

A

Good proton acceptor

17
Q

Brønsted-Lowry’s definition of a weak base

A

Poor proton donor

18
Q

Arrhenius’ vs Brønsted-Lowry’s definition theory

A

Linited reactions in Arrhenius’ theory (only in water)
Brønsted-Lowry theory includes gaseous reactions
Arrehius’ theory is limited to bases producing hydroxide ions
Brønsted-Lowry theory broadens the ranges of acids and bases. (More inclusive)
Arrhenius’ theory never considers hydronium ions

19
Q

Conjugating from acid to base

A

Remove H

Removd proton or + a minus sign

20
Q

Conjugate base to acid

A

+ H

Include a +

Chemistry (17 decks)

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