pH & NEUTRALIZATION
ACID + BASE · WATCH pH JUMP
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Titration
NaOH
(base)
HCl + phenolphthalein
pH METER
NaOH added (mL)
pH
7
14
equivalence
base added
pH =
acidity
solution
1. Neutralization
HCl + NaOH → NaCl + H₂O
actual reaction: H⁺ + OH⁻ → H₂O
2. pH Scale
0
2
4
6
8
10
12
14
ACIDIC
NEUTRAL 7
BASIC
3. Remember
Phenolphthalein: colourless in acid
It turns pink in a base
MATRIC CHEMISTRY · ACIDS, BASES & SALTS · PUNJAB BOARDS
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