Acids & Bases

Question 1

Arrenhenius acid

Answer 1

Gives excess H+ in solution

Question 2

Arrhenius base

Answer 2

Gives excess OH- in solution

Question 3

Is water considered an acid in Arrhenius?

Answer 3

No, just aqueous

Question 4

Bronstead-Lowery acid

Answer 4

Donates H+ ions

Question 5

Bronstead-Lowery base

Answer 5

Accepts H+ ions (OH-, F-, NH3)

Question 6

Lewis acid

Answer 6

Electron pair acceptorq

Question 7

Lewis base

Answer 7

Electron pair donor

Question 8

What is an electrophile

Answer 8

Lewis acid (attacked by Lewis base neucleophile)

Question 9

Amphoteric species

Answer 9

Acts as an acid in basic conditions, as a base in acidic conditions (water)

Question 10

Zwitterion

Answer 10

Intermediate of amino acids that are amphoteric

Question 11

What hydroxides of metals are amphoteric?

Answer 11

Al, Zn, Pb, Cr

Question 12

CH3COO-

Answer 12

Acetate

Question 13

-ide in acid form

Answer 13

-ic

Question 14

-ite means

Answer 14

less an oxygen

Question 15

-ite in acid form

Answer 15

-ous acid

Question 16

-ate means

Answer 16

plus an oxygen

Question 17

-ate in acid form

Answer 17

-ic acid

Question 18

Autoionization

Answer 18

Reacts with itself as an amphoteric species (water)

Question 19

Water dissociation constant

Answer 19

Kw=[H30+][OH-] x 10^-14

Each equal [10^-7]

Question 20

What it the only thing that can change Kw/water dissociation constant?

Answer 20

Temperature

Question 21

p=

Answer 21

-log

Question 22

pH

Answer 22

-log[OH-]=log1/[H+]

Question 23

pOH

Answer 23

-log[OH-]= log1/[OH-]

Question 24

pH + pOH =

Answer 24

14

Question 25

log(xy)

Answer 25

log(x) +log(y)

Question 26

-log(n x 10^-m)

Answer 26

-log(n)-log(10^-m) = m-log(n)

Question 27

n

Answer 27

from 1 to 10

Question 28

p value=

Answer 28

m-0.n

Question 29

When is pH 7 valid

Answer 29

at 25 degrees Celcius

Question 30

If the concentration of an acid is less than 10^-7, then the water autoionization is

Answer 30

Significant

Question 31

What does the Ka or Kb value equal for weak acids and bases?

Answer 31

Less than 1

Question 32

Strong acids

Answer 32

``` HCl Hbr HI H2SO4 HNO3 HClO4 ```

Question 33

Strong bases

Answer 33

NaOH KOH Soluble hydroxides of IA metals

Question 34

Finding Ka or Kb

Answer 34

Use the 10^-14 to find the remaining to find Ka or Kb

Question 35

Conjugates of strong acids & bases

Answer 35

Basically inert

Question 36

More electronegative means

Answer 36

Increasing pKa, stronger acid

Question 37

Weak acis & bases make

Answer 37

Weak conjugate acids & bases