Aldehydes and Ketones contain which functional group?
Of these compounds with comparable relative molecular mass, which has the higher boiling point?
Tick which answers are true
Shorter chain aldehydes and ketones mix completely with water
Carbonyl compounds become more soluble as chain length increases
Carbonyl compounds become less soluble as chain length increases
Methanal is gas at room temperature
Methanal is liquid at room temperature
Short chain aldehydes and ketones are pleasant smelling liquids
Short chain aldehydes and ketones are pleasant smelling gases
Which reactions commonly occur with carbonyl compounds?
Reactions of Aldehydes and Ketones with Hydrogen Cyanide (:CN-) produce what?
A nucleophilic reaction produces a racemic mixture when a nucleophile attacks which of these?
A symmetrical Ketone
An unsymmetrical Ketone
What does acidified potassium dichromate do to aldehydes?
Oxidise to ester
Reduce to ester
Oxidise to alcohol
Reduce to alcohol
Oxidise to carboxylic acid
Reduce to carboxylic acid
What does acidified potassium dichromate do to ketones?
Colour of Fehlings solution?
When an aldehyde is warmed with Fehlings solution a precipitate is formed. What colour?
When an aldehyde is warmed with Tollens reagent __________ is formed
Reducing agents (e.g. NaBH4) can reduce aldehydes and ketones to ____________
Reducing agent sodium tetrahydridoborate(III) generates which nucleophile?
Benzene ring with carboxylic acid group attached is called..?
Carboxylic acids are completely soluble in water. (Up to C4 only)
Carboxylic acids have lower melting points than alkanes of similar relative molecular mass
Thiele tube measures ______________ of carboxylic acids
Glacial ethanoic acid is...?
Pure ethanoic acid
Ethanoic acid from glaciers
How to name esters?
Group attached to oxygen comes first followed by R-COO
R-COO comes first and the group attached to oxygen comes last
Which has pleasant fruity smells?
Long chain esters
Short chain esters
The H in R-COOH (carbox. acid) can be lost as H+ leaving [R-COO]- what is this ion called
Carboxylic acid ion
How to distinguish between carboxylic acids and other organic compounds?
React with water
React with sodium hydrogencarbonate
React with potassium dichromate
Ionic salts formed from carboxylic acids donating protons are called? (e.g. Ethanoic Acid + Sodium Hydroxide -> *Sodium Ethanoate* + Water)
Esters are formed in which reaction?
Alcohol + Ketone
Alcohol + Aldehyde
Aldehyde + Ketone
Alcohol + Carboxylic Acid
Carboxylic Acid + Aldehyde
Carboxylic Acid + Ketone
Carboxylic Acid + Alkene
This reaction (sped up by a strong acid catalyst) forms............?
Non equilibrium mixture
An equilibrium mixture
_____(1)______ is attacked by water acting as a _______(2)______ in the hydrolysis of esters
Equilibrium mixture of the hydrolysis of esters contains which of these..?
Fats and oils can be hydrolysed by boiling with NaOH to produce?
Salts formed from hydrolysis of fats and oils using NaOH are used in?
What group is this? (Picture)
Esters, Acid Chlorides and Acid Anhydrides are examples of?
Acyl chlorides and acid anhydrides are bad acylating agents
Acid chlorides are more reactive than acid anhydrides
Acyl Chlorides and Acid Anhydrides react with the following nucleophiles but in which order of reactivity?
In these reactions between Acyl chlorides/Acid anhydrides and nucleophiles what type of reaction takes place?
In addition-elimination reactions: If the nucleophile is ammonia the product is an/a...?
In addition-elimination reactions: If the nucleophile is a primary amine the product is an/a...?
In addition-elimination reactions: If the nucleophile is the -OH group of an alcohol the product is an/a...?
In addition-elimination reactions: If the nucleophile is water the product is an/a...?
Ethanoic anhydride as an acylating agent is cheaper than ethanoyl chloride.
Ethanoic anhydride as an acylating agent is more corrosive than ethanoyl chloride.
Ethanoic anhydride as an acylating agent reacts less readily with water than ethanoyl chloride.
Ethanoic anhydride as an acylating agent is safer than ethanoyl chloride due their by-products