Addition, Elimination and Substitution reactions Flashcards Preview

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Flashcards in Addition, Elimination and Substitution reactions Deck (22):
1

Substitution:
Haloalkanes from alkanes
Reaction conditions

UV light

2

Substitution:
Hydrolysis
Reaction conditions

- room temperature
- Dilute strong acid base (NaOH / KOH)
- dissolved in ethanol solution

3

Substitution
Formation of haloalkanes
Reaction conditions

Tertiary alcohols
- room temperature
Primary and secondary alcohols
- high temperature

4

Substitution:
Haloalkanes from alkanes
Reactants and products

Reactants:
-alkane +X2
Products:
-haloalkane +HX

5

Substitution:
Hydrolysis
Reactants and products

Reactants:
- haloalkane and water
Products:
Alcohol + HX

6

Substitution
Formation of haloalkanes
Reactants and products

Reactants:
- alcohol + HX
Products:
-haloalkane + water (condensation reaction)

7

Addition:
Halogenation
Reaction conditions

None

8

Addition:
Hydrohalogenation
Reaction conditions

No water present

9

Addition:
Hydration
Reaction conditions

-Excess water
- Acid catalyst (sulfuric acid)

10

Addition:
Hydrogenation
Reaction conditions

(DIFFICULT REACTION TO GET STARTED)
-heat
-catalyst (Pt, Pd or Ni)
-Inert atmosphere
-Alkene dissolved in non-polar solvent

11

Addition:
Halogenation
Reactants and products

Reactants:
-X2 +alkene
Products:
- dihaloalkane

12

Addition:
Hydrohalogenation
Reactants and products

Reactants:
- HX + alkene
Products:
- haloalkane

13

Addition:
Hydration
Reactants and products

Reactants:
- H2O +alkene
Products:
- alcohol

14

Addition:
Hydrogenation
Reactants and products

Reactants:
- H2 +alkene
Products:
- saturated hydrocarbon (alkane)

15

Elimination:
Esterification
Reaction conditions

Sulfuric acid catalyst

16

Elimination:
Cracking

Thermal:
High temperature and pressure

Catalytic:
lower temperature and pressure
presence of catalyst (zeolite, alumina catalyst)

17

Elimination:
Dehydrogenation

-Heat under reflux
-Concentrated strong base (NaOH / KOH)
-Base dissolved in pure ethanol

18

Elimination:
Dehydration

-Excess strong acid (sulfuric or phosphoric acid)
-High temperature

19

Elimination:
Reactants and products
Esterfication

Reactants:
-Carboxylic acid
-Alcohol

Products:
-Ester
-water

20

Elimination:
Reactants and products
Cracking

Reactant:
-Long chain hydrocarbon (saturated)

Products:
-Shorter alkene
-Shorter chain alkanes

21

Elimination:
Reactants and products
Dehydrogenation

Reactants:
- Haloalkane
-Strong base

Products:
-Alkene
-Salt
-water

22

Elimination:
Reactants and products
Dehydration

Reactans:
-alcohol

Products:
-Alkene
-water