Organic analysis Flashcards
1
Q
Alkenes test?
A
Bromine water
orange —–> colorless
2
Q
Halogenoalkane?
A
AgN03
Cl = white pt
Br = cream pt
I = yellow pt
3
Q
One test for Aldehydes?
A
Tollens reagent mixed with Aq. ammonia and AgNH3
Silver mirror (result)
——> ketones do not react (not reaction)
4
Q
Another test for Aldehydes?
A
Fehlings Cu+ ions solution
Goes from blue to a red pt
(Ketones do not react).
5
Q
The carboxylic acid test?
A
NaC03
There is effervescence (bubbling)
+ C02 evolved which can be tested using limewater test.
6
Q
Fingerprint region?
A
Between 1000 – 1500 cm-1
7
Q
Show a double bond between carbon and oxygen?
A
The peak at 1700 cm-1 would represent a C=O.
