Organic chemistry reactions Flashcards
how many free radical substitutions to know
1
how many ionic addition reactions to know
5
example of free radical substitution reaction
CH4 + Cl2 -> CH3Cl + HCl
CH4 + Cl2 -> CH3Cl + HCl
reagent
chlorine
CH4 + Cl2 -> CH3Cl + HCl
condition
u.v light
what undergoes free radical substitutions
alkanes
what undergoes ionic addition reactions
alkenes
what type of ionic addition reaction is this
C2H4 + H2 -> C2H6
hydrogenation
reagent: C2H4 + H2 -> C2H6
hydrogen
condition: C2H4 + H2 -> C2H6
Ni catalyst and 200º C
what is this: C2H4 + Br2 -> C2H4Br2
addition of bromine: test for unsaturation
reagent: C2H4 + Br2 -> C2H4Br2
bromine
condition: C2H4 + Br2 -> C2H4Br2
none
function of this: C2H4 + Cl2 -> C2H4Cl
1st stage in synthesis of PVC from ethene
reagent: C2H4 + Cl2 -> C2H4Cl
chlorine
condition: C2H4 + Cl2 -> C2H4Cl
none
what type of reaction is this? C2H4 + HCl -> C2H5Cl
ionic addition reaction
reagent: C2H4 + HCl -> C2H5Cl
hydrogen chloride
reagent: C2H4 + H2O -> C2H5OH
water
condition: C2H4 + H2O -> C2H5OH
none
what type of reaction is a dehydration reaction
elimination reaction
dehydration reaction example
C2H5OH -> C2H4 + H2O
condition: C2H5OH -> C2H4 + H2O
Al2O3 + heat
function of this elimination reaction: C2H4Cl2 -> C2H3Cl + HCl
2nd stage in synthesis of PVC from ethene
C2H3Cl 2 names
chloroethene
vinyl chloride
oxidation of primary alcohols to
aldehydes
reagents: C2H5OH -> CH3CHO
sodium dichromate (VI), sulphuric acid, water
conditions: C2H5OH -> CH3CHO
heat, antidumping granules
apparatus: C2H5OH -> CH3CHO
distillation
reagents: C2H5OH -> CH3COOH
sodium dichromate (VI), sulphuric acid, water
conditions: C2H5OH -> CH3COOH
heat, antibumping granules
apparatus: C2H5OH -> CH3COOH
reflux
secondary alcohol oxidised to
ketone
propan-2-ol oxidised to
propanone
propan-2-ol molecular formula
CH3CH(OH)CH3
propane formula
CH3COCH3
reagents: CH3CH(OH)CH3 -> CH3COCH3
sodium dichromate (VI), sulphuric acid, water
conditions: CH3CH(OH)CH3 -> CH3COCH3
heat, antibumping granules
one example of a type of condensation reaction
esterification reaction
esterification reaction general
carboxylic acid + alcohol ester + water
example of condensation reaction
CH3COOH + C2H5OH -> CH3COOC2H5 + H2O
condition:CH3COOH + C2H5OH -> CH3COOC2H5 + H2O
heat
concentrated sulphuric acid
function of concentrated sulphuric acid
catalyst
dehydrating agent to favour the forward reaction
what is produced when you react alcohol as an acid with sodium metal
salt and hydrogen gas
what is produced when you reaction ethanol with sodium
sodium ethoxide and hydrogen gas
sodium ethoxide
C2H5ONa
reduction of a carboxylic acid x2
aldehyde and then primary alcohol
reagent for reduction reactions
hydrogen
catalyst for reduction reactions
nickel
equation for reduction of ethaonic acid x2
CH3COOH + H2 -> CH3CHO -> C2H5OH
equation for reduction of propanone
CH3COCH3 + H2 -> CH3CH(OH)CH3
carboxylic acid + metal ->
salt + hydrogen gas
carboxylic acid + metal carbonate ->
salt + water + carbon dioxide
reacting ethanoic acid with any type of metal, what do you get
… ethanoate
what are aldehydes compared to all other homologous series?
great reducing agents
condition for all aldehyde tests
heat
aldehyde + acidified potassium manganate (VII)
CH3CHO + Mn (+7) -> CH3COOH + Mn (+2)
aldehyde + fehling’s solution
CH3CHO + Cu(+2) -> CH3COOH + Cu(+1)
aldehyde + tollen’s reagent
CH3CHO + Ag(+1) -> CH3COOH + Ag(0)
what are all of these
aldehyde + acidified potassium manganate (VII)
aldehyde + fehling’s solution
aldehyde + tollen’s reagent
diagnostic tests to show the presence of an aldehyde
PVC
polychloroethene
polystyrene
polophenylethene
base hydrolysis of an ester is called
saponification reaction
ester + base ->
alcohol + salt of carboxylic acid
salt of carboxylic acid
soap
example of saponification reaction
Glycerol tristerate + NaOH -> Glycerol + sodium sterate