Acids and bases

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

Bronsted- Lowry acids are?

Back (Answer)

proton donors

Front (Question)

Bronsted-Lowry bases are?

Back (Answer)

proton acceptors

Front (Question)

Describe how acids are proton donors

Back (Answer)

dissociation is required for a proton to be transferred from an acid to a base- this requires water. Water behaves as a base and accepts a proton forming H3O+(aq)

Front (Question)

Describe H3O+(aq)

Back (Answer)

-conjugate acid -active acid ingredient, ions make solution acidic -simple version is H+

Front (Question)

Bronsted-Lowry bases are?

Back (Answer)

proton acceptors

Front (Question)

Describe strong and weak bases?

Back (Answer)

-strong bases dissociate (ionise) almost completely -weak bases dissociate poorly

Front (Question)

Describe strong and weak acids?

Back (Answer)

-strong acids dissociate (ionise) almost completely -weak acids dissociate poorly

Front (Question)

Describe strong and weak acids?

Back (Answer)

-strong acids dissociate (ionise) almost completely -weak acids dissociate poorly

Front (Question)

Describe weak acids and provide examples?

Back (Answer)

-backwards reaction favoured so not many H+ produced -e.g carboxylic acids

#10

Front (Question)

Describe strong acids and provide examples?

Back (Answer)

-forwards reaction favoured strongly. Lots of H+ produced. -e.g HCl, H2SO4, HNO3

#11

Front (Question)

Describe strong bases and provide examples?

Back (Answer)

-forward reaction favoured strongly. Lots of OH- ions produced. -e.g NaOH and KOH

#12

Front (Question)

Describe weak bases and provide examples?

Back (Answer)

-backwards reaction favoured so not many OH- ions produced -e.g NH3

#13

Front (Question)

Acid dissociation equation?

Back (Answer)

HA(aq) (acid) + H2O(l) (reversible arrow) H3O+(aq) + A-(aq)

#14

Front (Question)

Base dissociation equation?

Back (Answer)

B(aq) (base) + H2O(l) (reversible arrow) BH+(aq) + OH-(aq)

#15

Front (Question)

Water dissociation equation?

Back (Answer)

2 H2O (reversible arrow) H3O+ + OH- simpler version: H2O (reversible arrow) H+ + OH-

#16

Front (Question)

Describe the dissociation of water?

Back (Answer)

water dissociates into its ions very weakly. There is so little OH- and H+ ions compared to H2O molecules that we assume the concentration of water has a constant value

#17

Front (Question)

what are polyprotic/ polybasic acids?

Back (Answer)

acids which can donate more than one proton

#18

Front (Question)

Describe monoprotic/ monobasic acids? provide example

Back (Answer)

e.g HNO3 1 mole of HNO3 will produce 1 mole of H+ ions

#19

Front (Question)

Describe diprotic/ dibasic acids? provide example

Back (Answer)

e.g H2SO4 1 mole of H2SO4 will produce 2 moles of H+ ions

#20

Front (Question)

Describe triprotic/ tribasic acids? provide example

Back (Answer)

e.g H3PO4 1 mole of H3PO4 will produce 3 moles of H+ ions

#21

Front (Question)

Describe how ammonia acts as a base?

Back (Answer)

-Ammonia doesn’t produce OH- ions directly. It reacts with water first and accepts a proton to produce ammonium ions (NH4+) and OH- ions -ammonia reacts with acids to make ammonium salts but no water

#22

Front (Question)

Equation showing ammonia acting as a base?

Back (Answer)

NH3(aq) + H2O(l) (reversible arrow) NH4+(aq) +OH-(aq)

#23

Front (Question)

Acid + alkali ->

Back (Answer)

salt + water

#24

Front (Question)

Metal + Acid ->

Back (Answer)

salt + hydrogen