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Chemistry A Level > Reaction mechanisms > Flashcards

Flashcards in Reaction mechanisms Deck (12):
1

What is the mechanism, the reagents and the conditions for the reaction of an Alkene to make an Alkane?

Addition (Hydrogenation)
H2(g) / Nickel catalyst
High temperature and pressure

2

What is the mechanism, the reagents and the conditions for the reaction of an alkane to make a haloalkane?

Radical substitution
Halogen
UV light

3

What is the mechanism, the reagents and the conditions for the reaction of a haloalkane to make an alcohol?

Nucleophilic substitution
NaOH (aq) - Sodium hydroxide
Heat under reflux

4

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make a haloalkane?

Nucleophilic substitution
Sodium halide
Sulfuric acid

5

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make an alkene?

Elimination (dehydration)
conc. Sulfuric / phosphoric acid
Heat under reflux

6

What is the mechanism, the reagents and the conditions for the reaction of an alkene to make an alcohol?

Addition (hydration)
Steam, H2O
Conc. Phosphoric acid

7

What is the mechanism, the reagents and the conditions for the reaction of an alkene to make a haloalkane?

Electrophilic addition
Hydrogen halide or Halogen

8

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make a ketone?

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Heat under reflux

9

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make an aldehyde?

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Distill immediately

10

What is the mechanism, the reagents and the conditions for the reaction of an alcohol to make a carboxylic acid?

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Heat under reflux

11

What is the mechanism, the reagents and the conditions for the reaction of an aldehyde to make a carboxylic acid?

Oxidation
H+ / Cr2O7 2- = Acidified potassium dichromate
Heat under reflux

12

What is the mechanism, the reagents and the conditions for the reaction of an alcohol and a carboxylic acid to make an ester?

Condensation (esterification)
conc. H2SO4 = Sulfuric acid
Heat under reflux