Organic analysis Flashcards
1
Q
What is the test and result for the test of an alkene?
A
shake with bromine water
orange colour disappears
2
Q
What is the test for a halogenoalkane? WHat is the result?
A
- add NaOH (aq) and warm
- acidify with HNO3
- add AgNO3 (aq)
precipitate of AgX forms
3
Q
What is the test and result for an alcohol?
A
add acidified K2Cr2O7
orange colour turns green with 1º or 2º alcohols (also aldehydes)
4
Q
What is the test for an aldehyde?
A
warm with Fehling’s (blue colour turns to red precipitate) or Tollens’ solution (silver mirror forms)
5
Q
What is the test and result for a carboxylic acid?
A
add NaHCO3 (aq)
CO2 is given off