Test-Tube Reactions Flashcards

1
Q

Test for alkenes

A

Bromine water

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

Result for present alkene

A

Orange to colourless in bromine water

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

Test for haloalkanes

A

•NaOH +heat
•acidify with HNO3
•add AgNO3
•add dilute NH3
•add conc NH3

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

Result for Cl ions in AgNO3

A

White ppt

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

Result for Br ions in AgNO3

A

Cream ppt

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

Result for I ions in AgNO3

A

Yellow ppt

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

Result for Cl ions in dilute NH3

A

Colourless
Dissolve

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

Result for Br ions in dilute NH3

A

NVC

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

Result for Br ions in conc NH3

A

Colourless
Dissolve

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

Result for I ions in conc NH3

A

NVC

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

Test for primary or secondary alcohols

A

•acidified K2Cr2O7
•heat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Result for primary or secondary alcohols

A

Orange to green

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Test for aldehyde

A

Fehlings sol
Tollens reagent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Result for aldehyde

A

Tollens- silver mirror
Fehlings- brick red ppt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Test for carboxylic acid

A

Add carbonate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Result for carboxylic acid

A

Effervescence

17
Q

Test for H2 gas

A

Lit splint

18
Q

Result for H2 gas

A

Squeaky pop

19
Q

Test for O2 gas

A

Apply glowing splint

20
Q

Result for O2 gas

A

Relit splint

21
Q

Test for sulphate ions

A

Add barium chloride
BaCl2

22
Q

Result for sulphate ions

A

White ppt forms

23
Q

Test for carbonate ions

A

Add ant acid

24
Q

Result for carbonate ions

A

Effervescence
CO2