PRACTICAL Flashcards

1
Q

Draw distillation apparatus

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

Draw reflux apparatus

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

Describe the stages of the distillation of an aldehyde from an alcohol

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

How do you calculate if you experiment was accurate?

A

If the experimental error is SMALLER than apparatus error, then you have accurate results

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

How do you calculate experimental error (a percentage)

A

= 100× (real answer - experiment answer) / real answer

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

what do you use to filter a desired solid product

A

Buchner Funnel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How do you purify a substance by recrystillization

A

Dizzolve substance, including impurities in hot solvent. It should be soluable in hot holvent and less soluable in cold solvent so that only our desired product recrystillizes. Use hot glasswear so it doesn’t crystallize in apparatus.

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

In a concentration rate graph, which axis is which?

A

Rate : Y

Concentration : X

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

In a concentration time graph, which axis is which?

A

Concentration: Y

Time: X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which axis is which on an absorbtion concentration graph

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How do you purify via recrystillization (4)

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