Titration Curves And Indicators Flashcards
1
Q
What colour is methyl orange at a low pH
A
Red
2
Q
What colour is methyl orange at a high pH
A
Yellow
3
Q
What can methyl orange be used for
A
Strong acid / strong base
Strong acid / weak base
4
Q
What colour is phenolphthalein at low pH
A
Colourless
5
Q
What colour is phenolphthalein at high pH values
A
Pink
6
Q
What can phenolphthalein be used in
A
Weak acid / strong base
7
Q
Methyl orange colour change
A
3 - 4.5
8
Q
Phenolphthalein colour change range
A
8.2 - 10
