Acid and Bases - Topic 2 -L2 Flashcards
1
Q
what does the Bronsted Lowry theory state ?
A
An acid is a proton donor and a base is a proton acceptor
2
Q
what Is Autoprotolysis reaction?
A
when 2 water molecules react, its an equilibrium reaction called autoprotolysis reaction
3
Q
what is the autoprotolysis constant
A
Kc = Kw = [H3O+] [OH-] Kw = [1x10^-7][1x10^-7] = 10^-14.
4
Q
A low ph means a solution is ?
A
acidic
5
Q
A high pH means a solution is ?
A
basic
6
Q
A ph of 7 is ?
A
neutral
7
Q
PH is defined as
A
pH = - log [H3O+]
8
Q
ph can be generalised to px so…
A
pX = -logX
9
Q
an acid reacts with water to give?
A
hydronium ions