RP6: Testing for alcohols, aldehydes, alkenes and carboxylic acids
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/8
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai | Chat |
|---|
No analytics yet
Send a link to your students to track their progress
9 Terms
What reagent is used to test for an alkene, and what is the positive result? (2)
- Reagent: Bromine water
- Result: Orange color decolorises
What reagent is used to test for an aldehyde, and what is the result with Fehling's solution? (2)
- Reagent: Fehling's solution
- Result: Blue solution turns red with precipitate
What is the result of the Tollen's reagent test for an aldehyde? (1)
Silver mirror formed
How can a carboxylic acid be identified using a reagent, and what is the positive result? (2)
- Reagent: Sodium carbonate / sodium hydrogencarbonate
- Result: Effervescence, CO₂ made
What reagent is used to test for primary and secondary alcohols, and what is the result? (2)
- Reagent: Sodium dichromate and sulfuric acid
- Result: Orange to green colour change
What happens when a chloroalkane is warmed with silver nitrate? (1)
Formation of white precipitate (AgCl)
What is the result when a bromoalkane is warmed with silver nitrate? (1)
Formation of cream precipitate (AgBr)
What is the result when an iodoalkane is warmed with silver nitrate? (1)
Formation of pale yellow precipitate (AgI)
How does an acyl chloride react with silver nitrate? (2)
- Reaction: Vigorous reaction with steamy fumes of HCl
- Result: Rapid production of white precipitate (AgCl)