HARD UNIT 4 - carboxylic acids Flashcards
1
Q
How can carboxylic acids be prepared?
A
By oxidising primary alcohols using acidified dichromate.
By oxidising aldehydes using acidified permanganate.
Hydrolysing nitriles, esters or amides.
2
Q
How do carboxylic acids form salts?
A
By reactions with metals or bases.
3
Q
How do carboxylic acids form esters?
A
By condensation reactions with alcohols with concentrated sulfuric or concentrated phosphoric acid.
4
Q
What does the reaction of carboxylic acids and amines produce?
A
Alkylammonium salts that form amides when heated.
5
Q
How do carboxylic acids form primary alcohols?
A
Reduction with lithium aluminium hydride.
