Part 11 Flashcards
1
Q
a lewis base is a ___.
A
a lewis base is an electron donor
2
Q
a lewis base is a ___.
A
a lewis base is an electron donor
3
Q
pH of 7 is ___.
A
neutral
4
Q
pH of 7 is ___.
A
neutral
5
Q
pH above 7 is ___.
A
basic
6
Q
pH above 7 is ___.
A
basic
7
Q
pH below 7 is ____.
A
acidic
8
Q
pH below 7 is ____.
A
acidic
9
Q
pH= -log [H+]
A
pH= -log [H+]
10
Q
pOH= -log [OH-]
A
pOH= -log [OH-]
11
Q
what is Kw?
A
the water dissociation constant
kw= 1.0 x 10^-14
12
Q
pH + pOH = ?
A
14
13
Q
what is the relationship between Ka and Kb?
A
Ka & Kb are inversely related.
if Ka is big, then Kb is small and visa-versa
14
Q
what is hydrolysis?
A
the reverse of a neutralization reaction; salt ions react with water to give back the acid or base
15
Q
the weaker the acid, the _____ the Ka.
A
weak acid = small Ka
