Acid-Base

Question 1

Arrhenius acid:

Answer 1

produced H+

Question 2

Arrhenius base:

Answer 2

produces OH-

Question 3

Bronsted-Lowry acid:

Answer 3

donor of H+

Question 4

Bronsted-Lowry base:

Answer 4

acceptor of H+

Question 5

Lewis acid:

Answer 5

e- acceptor (-)

Question 6

Lewis base:

Answer 6

e- donor (+)

Question 7

weak acid=

Answer 7

weak conjugate base

Question 8

rxn favours the weaker or stronger of a conjugate pair?

Answer 8

weaker.

Question 9

amphoteric means?

Answer 9

can be both an acid and a base (h2o)

Question 10

Ka/Kb>1 means

Answer 10

strong

Question 11

Ka/Kb<1 means

Answer 11

weak

Question 12

Ka=

Answer 12

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

Question 13

Kb=

Answer 13

[OH][B]/[BOH]

Question 14

pKw=

Answer 14

pKa+pKb

Question 15

Kw=

Answer 15

Ka*Keegan bonia

Question 16

Mneumonic for strong acids?

Answer 16

SO I Brough NO Clean CLOthes

Question 17

strong bases?

Answer 17

1&2 hydroxides, hydrides and oxides

Question 18

small pKa or pKb means…

Answer 18

more acidic or more basic

Question 19

weak must have a ______ conjugate partner

Answer 19

weak

Question 20

dissosiation of a weak sln?

Answer 20

«<5%

Question 21

small x approximation=

Answer 21

[smallest c]/Ka or Kb>100

Question 22

pH of an acid?

Answer 22

less than 7

Question 23

pH of a base?

Answer 23

greater than 7

Question 24

salt cation acts as?

Answer 24

a lewis acid

Question 25

salt anion acts as?

Answer 25

a lewis base

Question 26

most distributed charge=

Answer 26

most stable=strongest

Question 27

Binary acid strength increases...

Answer 27

down a group, bigger EN, bigger AR

Question 28

Oxyacid strength increases...

Answer 28

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

Question 29

Polyprotic acid strength increases...

Answer 29

the more times it's been ionized.