Y13 Organic Reactions Flashcards
Cards to help you memorise the reaction map
State the reagents and conditions needed to make an alkane into carbon dioxide and water
Complete combustion
Excess oxygen (O2)
Heat and Spark
State the reagents and conditions needed to make a haloalkane from an alkane
Reagent: Cl2, Br2
Condition: UV light
State the mechanism needed to make a haloalkane from an alkane
Radical Substitution
State the reagents and conditions needed to make a haloalkane from an alkene
Reagent: HCl, HBr
Condition: Room temperature and shake
State the mechanism needed to make a haloalkane from an alkene
Electrophilic Addition
State the reagents and conditions needed to make an alkene from a haloalkane
Reagent: NaOH/KOH
Condition: Ethanolic (reflux)
State the mechanism needed to make an alkene from a haloalkane
Elimination
State the reagents and conditions needed to make an alkene from an alcohol
Reagent: Sulfuric Acid
Condition: hot concentrated
State the mechanism needed to make an alkene from an alcohol
Elimination
State the reagents and conditions needed to make an alcohol from a alkene in a single step
Reagent: Steam
Condition: Concentrated phosphoric acid
State the mechanism needed to make an alcohol from a alkene in a single step
Electrophilic Addition
State the reagents and conditions needed to make an alcohol by fermentation
Reagent: Glucose
Condition: Yeast, Anaerobic (no oxygen)
State the reagents and conditions needed to make an alcohol from a alkene in two steps
Reagent 1: Sulfuric Acid
Reagent 2: Water
State the reagents and conditions needed to make an alkyl hydrogen sulfate from a alkene
Reagent: Sulfuric Acid
Condition: None
State the mechanism needed to make an alkyl hydrogen sulfate from a alkene
Electrophilic Addition
State the reagents and conditions needed to make an alcohol from a alkyl hydrogen sulfate
Reagent: Water
Condition: None
State the reagents and conditions needed to make a dihaloalkane from an alkene
Reagent: Cl2, Br2
Condition: Room temperature and shake
State the reagents and conditions needed to make a nitrile from a haloalkane
Reagent: KCN
Condition: Aqueous and ethanolic
State the mechanism needed to make a nitrile from a haloalkane
Nucleophilic Substitution
What is observed when an alkene is added to bromine water
The solution turnes from orange to colourless
State the reagents and conditions needed to make an alcohol from a haloalkane
Reagent: NaOH/KOH
Condition: Aqueous (heat under reflux)
State the mechanism needed to make an alcohol from a haloalkane
Nucleophilic Substitution
State the reagents and conditions needed to make a quaternary ammonium salt from a haloalkane
Reagent: NH3
Condition: Excess haloalkane
(ethanolic, heat and pressure)
State the reagents and conditions needed to make a primary amine from a haloalkane in one step
Reagent: NH3
Condition: Excess
(ethanol, heat and pressure)
State the mechanism needed to make a primary amine from a haloalkane in one step
Nucleophilic Substitution
State the reagents and conditions needed to make a primary amine from a nitrile
Reagent: Hydrogen
Condition: Nickel catalyst
State the type of reaction needed to make a primary amine from a nitrile
Reduction
State the reagents and conditions needed to make a primary amine from a haloalkane in two steps
**First **
Reagent: KCN
Condition: Aqueous and Ethanolic
Second
Reagent: Hydrogen
Condition: Nickel Catalyst
What are quaternary ammonium salts used for?
Cationic surfactants (hair conditioner)
What are methyl esters used for?
Biodiesel
What are salts of long chain fatty acids used for?
Soap
State the reagents and conditions needed to make an aldehyde from an alcohol
Reagent: Primary alcohol and Acidified Potassium Dichromate (H2SO4/K2Cr2O7)
Condition: Distillation
State the reagents and conditions needed to make an alcohol from an aldehyde
Reagent: NaBH4
Condition: Acidic Solvent
State the type of reaction needed to make an alcohol from an aldehyde
Reduction
State the reagents and conditions needed to make a hydroxy nitrile from an aldehyde
Reagent: KCN
Condition: (Aqueous and ethanolic) followed by dilute acid
State the mechanism needed to make a hydroxy nitrile from an aldehyde
Nucleophilic Addition
State the reagents and conditions needed to make an hydroxy nitrile from a ketone
Reagent: KCN
Condition: (Aqueous and ethanolic) followed by dilute acid
State the mechanism needed to make an hydroxy nitrile from a ketone
Nucleophilic Addition
State the reagents and conditions needed to make a ketone from an alcohol
Reagent: Secondary alcohol and Acidified Potassium Dichromate (H2SO4/K2Cr2O7)
Condition: Reflux
State the type of reaction needed to make a ketone from an alcohol
Oxidation
State the reagents and conditions needed to make a carboxylic acid from an alcohol
Reagent: Primary alcohol with excess Acidified Potassium Dichromate (H2SO4/K2Cr2O7)
Condition: Reflux
State the type of reaction needed to make a carboxylic acid from an alcohol
Oxidation
State the reagents and conditions needed to make a carboxylic acid from an aldehyde
Reagent: Acidified Potassium Dichromate (H2SO4/K2Cr2O7)
Condition: Reflux
State the reagents and conditions needed to make an ester from a carboxylic acid
Reagent: Alcohol
Condition: Conc Sulfuric Acid
Water is produced
State the reagents and conditions needed to make an ester from an acyl chloride
Reagent: Alcohol
Condition: None - violent reaction
Toxic HCl produced
State the reagents and conditions needed to make an ester from an acid anhydride
Reagent: Alcohol
Condition: Dry
Carboxylic acid produced
State the reagents and conditions needed to hydrolyse an ester to form the salt of a carboxylic acid
Reagent: NaOH
Condition: Aqueous and Reflux
State the reagents and conditions needed to hydrolyse an ester to form a carboxylic acid
Reagent: HCl
Condition: Aqueous and Reflux
What is observed when an alcohol is oxidised using acidified potassium dichromate?
The solution will change from orange (K2Cr2O7) to green (Cr3+)
Name the types of molecules that can in oxidised by acidified potassium dichromate.
Primary alcohol
Secondary alcohol
Aldehyde
State how an aldehyde can be distguished from a ketone
Reagent: Tollen’s reagent
Observation:
Aldehyde - Silver Mirror
Ketone - NVC
Name the three different functional groups that will react with an alcohol to form an ester.
Carboxylic Acid (COOH)
Acyl Chloride (COCl)
Acid Anhydride (COOCO)
Give a common use for esters
Perfumes
Food flavourings
Plasticisers
Solvents
Name the four types of compound that react with an acyl chloride via nucleophilic addition-elimination.
The stick man mechanism
Water
Ammonia
Alcohol
Amine
Name the mechanism when an acyl chloride reacts with an alcohol
Nucleophilic Addition-Elimination
The stick man mechanism
What is the main product of a reaction between and acyl chloride and water?
A Carboxylic Acid
What is the main product of a reaction between and acyl chloride and ammonia?
An Amide
CONH2
What is the main product of a reaction between and acyl chloride and an alcohol?
An Ester
What is the main product of a reaction between and acyl chloride and an amine?
An N-Substituted Amide
What is the mechanism of a reaction between and acyl chloride and an amine?
Nucleophilic Addition-Elimination
What is observed when an acyl chloride reacts by nucleophilic addition-elimination?
Misty/Steamy fumes (of HCl)
State why benzene is more stable than expected
Benzene has a pi ring of delocalised electrons
State the reagents and conditions needed to make acylbenzene from benzene
eg C6H5CHO
Reagent: Acyl chloride
Conditions: AlCl3
State the reagents and conditions needed to make nitrobenzene from benzene
Reagent: Conc Nitric Acid
Conditions: Conc Sulfuric Acid
State the type of reaction needed to turn nitrobenzene into phenyl amine
Reduction
State the reagents and conditions needed to reduce nitrobenzene to phenyl amine
Reagent: Tin (Sn)
Conditions: Conc HCl
Which mechanism does benzene undergo?
Electrophilic Substitution
How do you know benzene has undergone electrophilic substition?
A species has been directly added to the ring replacing a hydrogen.
Name the alcohol molecule that reacts with fatty acids to form triglycerides.
Propane-1,2,3-triol
How is soap produced?
From the alkaline hydrolysis of vegatable oil and animal fats (triglycerides)
Propane-1,2,3-triol is also produced in the reaction
How is biodiesel made?
From the reaction of vegatable oil with methanol in the presence of NaOH that acts as a catalyst.