Rules for the use of indicators Flashcards
1
Q
Indicator?
Strong alkali
Strong acid
A
Methyl orange
Methyl red
Phenolphtalein
2
Q
Indicator?
Strong alkali
Weak acid
A
Phenolphthalein
3
Q
Indicator?
weak alkali
Strong acid
A
Methyl red
4
Q
How many drops should be used unless directed?
A
3
5
Q
True or false, Never titrate weak acid/base with weak solutions
A
True
6
Q
Why should you never titrate weak acid-base with weak solutions
A
will have no sharp point
7
Q
True or false: Disappearance of color is more observable than the appearance of color
A
Appearance of color is
more observable than
disappearance
8
Q
_________ may be used
for no sharp end-point
A
Mixed indicators
9
Q
Standard Acid solutions
A
Hydrochloric acid
Sulfuric acid