Oxidation of Alcohols
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (14 张)
What does oxidation do to the oxygen to hydrogen ratio?
It increases it
What does reduction do to the oxygen to hydrogen ratio?
It reduces it
Which alcohols can be oxidised?
Primary alcohols and secondary alcohols Tertiary alcohols can’t because the C-OH has no H attached to it
What does oxidising a primary alcohol form?
An aldehyde
What does oxidising a secondary alcohol form?
A ketone
What functional group do aldehydes and ketones contain?
O II -C- (carbonyl)
Where is the carbonyl group in aldehydes?
Always on the first carbon with 1 hydrogen attached
Where is the carbonyl group in ketones?
Never on the end of the carbon chain
What is the general formula for aldehydes and ketones?
CnH2nO This makes them isomers
What colour changes occur when oxidising aldehydes using reagents?
Acidified potassium dichromate - orange to green Tollens’ reagent - colourless Benedict’s/ Fehling’s Reagent - blue to red
When oxidising an aldehyde, what is formed?
A carboxylic acid
What is the process of oxidising an alkene into a carboxylic acid?
Alkene - Alcohol - Primary - Aldehyde - Carboxylic acid
What are many flavour and aroma molecules?
Aldehydes
What does a peptide link look like?
O H II I -C - N-