indicators Flashcards
1
Q
what indicator is used for a strong acid and a strong base
A
Bromothymol Blue
2
Q
what indicator is used for a strong acid and a weak base
A
Methyl Orange
3
Q
what indicator is used for a strong base and a weak acid
A
Phenolphthalein
4
Q
what is the colour range for methyl orange and what colour should it be after neutralization
A
Red to Yellow
should be Orange at neutral point
5
Q
what is colour range for phenolphthalein and what should it be after neutralization
A
Colourless to Pink
should be Pale pink
6
Q
what is the colour range for bromothymol blue
and what should the colour be at neutralization
A
Yellow - Blue
should be green
