20 Acids, Bases and pH Flashcards
1
Q
Wha is a Brønsted-Lowry acid?
A
A proton donor
2
Q
What is a Brønsted-Lowry base?
A
A proton acceptor
3
Q
What is a conjugate acid-base pair?
A
A conjugate acid-base pair contains two species that can be interconverted by transfer of a proton.
4
Q
How are HCl and Cl- a conjugate acid-base pair?
A
- In the forward direction, HCl releases a proton to form its conjugate base, Cl-
- In the reverse direction, Cl- accepts a proton to form its conjugate acid, HCl
5
Q
What do the terms monobasic, dibasic and tribasic refer to?
A
The terms monobasic, dibasic and tribasic refer to the total number of hydrogen ions in the acid that can be replaced per molecule in an acid-base reaction.
6
Q
What is the mathematic relationship between pH and [H+]?
A
pH= -log[H+] [H+]= 10^-pH
