Acid-Base Flashcards by Isabella Schick | Brainscape

Q

Arrhenius acid:

A

produced H+

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Q

Arrhenius base:

A

produces OH-

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Q

Bronsted-Lowry acid:

A

donor of H+

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Q

Bronsted-Lowry base:

A

acceptor of H+

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Q

Lewis acid:

A

e- acceptor (-)

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Q

Lewis base:

A

e- donor (+)

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Q

weak acid=

A

weak conjugate base

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Q

rxn favours the weaker or stronger of a conjugate pair?

A

weaker.

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Q

amphoteric means?

A

can be both an acid and a base (h2o)

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Q

Ka/Kb>1 means

A

strong

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Q

Ka/Kb<1 means

A

weak

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Q

Ka=

A

[H+][A-]/[HA]

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Q

Kb=

A

[OH][B]/[BOH]

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Q

pKw=

A

pKa+pKb

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Q

Kw=

A

Ka*Keegan bonia

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Q

Mneumonic for strong acids?

A

SO I Brough NO Clean CLOthes

Q

strong bases?

A

1&2 hydroxides, hydrides and oxides

Q

small pKa or pKb means…

A

more acidic or more basic

Q

weak must have a ______ conjugate partner

A

weak

Q

dissosiation of a weak sln?

A

«<5%

Q

small x approximation=

A

[smallest c]/Ka or Kb>100

Q

pH of an acid?

A

less than 7

Q

pH of a base?

A

greater than 7

Q

salt cation acts as?

A

a lewis acid

Q

salt anion acts as?

A

a lewis base

Q

most distributed charge=

A

most stable=strongest

Q

Binary acid strength increases…

A

down a group, bigger EN, bigger AR

Q

Oxyacid strength increases…

A

when it has the most resonance structures, most Oxygens or the most EN neighbours.

Q

Polyprotic acid strength increases…

A

the more times it’s been ionized.