Rules for the use of indicators Flashcards

1
Q

Indicator?

Strong alkali
Strong acid

A

Methyl orange
Methyl red
Phenolphtalein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Indicator?

Strong alkali
Weak acid

A

Phenolphthalein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Indicator?

weak alkali
Strong acid

A

Methyl red

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How many drops should be used unless directed?

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

True or false, Never titrate weak acid/base with weak solutions

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Why should you never titrate weak acid-base with weak solutions

A

will have no sharp point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

_________ may be used
for no sharp end-point

A

Mixed indicators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Standard Acid solutions

A

Hydrochloric acid
Sulfuric acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly