Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chem > Qualitative Tests > Flashcards

Qualitative Tests Flashcards

0
Q

Alkenes

A

Addition of bromine water

Orange bromine solution decolourises

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

Alcohol (hydroxyl group)

A

PCl5
Steamy white fumes of HCl
Nucleophilic sub of -OH group with Cl

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

Halogenoalkanes

A 
Make solution alkaline
Add HNO3 until just acidic
Add AgNO3 drop wise
Chloro = white ppt
Bromo = cream ppt
Iodo = yellow ppt
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Carbonyl group

A

2,4 - DNP

Orange ppt

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

Aldehyde or Ketone

A

Fehlings
Aldehyde turns from blue to red
No change for ketones

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

Carboxylic Acid

A

Add sodium hydrogen carbonate solution

CO2 is produced which turns like water cloudy

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

Secondary alcohol

A

Iodoform test
Warm compound with a solution of iodine and NaOH
Yellow ppt with an antiseptic smell

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

Chem (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions