7564354
Descrição
Mapa Mental por Josh Anderson, atualizado more than 1 year ago
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Criado por Josh Anderson
mais de 9 anos atrás
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OCR - A-Level -
Chemistry - Radical
Substitution
- Stages
- Initiation
- The formation of the radicals
- Molecule
into radicals
- 0 ==> 2
- 0 ==> 2
- The formation of the radicals
- Propagation
- Two repeated steps that
build up the desired
product in a side-reaction
- Step 1
- Generates an alkyl radical
and a halogen chloride
- Methyl radical and HCl
- Methyl radical and HCl
- Generates an alkyl radical
and a halogen chloride
- Step 2
- Generates the desired product and
regenerates a halogen radical
- Chloromethane and chlorine radical
- Chloromethane and chlorine radical
- Generates the desired product and
regenerates a halogen radical
- Step 1
- One molecule and one radical to
another molecule and another radical
- 1 ==> 1
- 1 ==> 1
- Two repeated steps that
build up the desired
product in a side-reaction
- Termination
- Two radicals to make a stable product
- Radicals into a molecule
- 2 ==> 0
- 2 ==> 0
- Two radicals to make a stable product
- Initiation
- Radical substitution is
difficult to control
- Lots of radicals so lots of
different products
- Lots of radicals so lots of
different products
- Conditions
- Ultraviolet light
- 300 degrees Celsius
- Ultraviolet light
- A mixture of products are produce
by random collisions between
radicals, but there tends to only be
one desirable product.
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