pH and Indicators Flashcards
1
Q
H2O dissociates to
A
H+ and OH-
2
Q
Kw =
A
Kc[H2O] = [H+] [OH-]
3
Q
pH =
A
-Log10[H+]
4
Q
Strong acids are
A
Acids which have a greater tendency to donate [H+] ions
5
Q
Weak Acids are
A
Acids which have a small tendency to donate [H+] ions
6
Q
Acid-Base indicators
A
Are substances that change colour according to the pH of the solution in which they are placed
7
Q
[H+] =
A
10^-pH
8
Q
pH of a strong base =
A
-Log10[OH-]
14- Ans
9
Q
Weak acid [H+] =
A
square root of Ka x Ma (Molar)
10
Q
Weak Base [OH-] =
A
square root of Kb x Mb (Molar)
