OCR chemistry A2 checklist

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A2 Unit F324: Rings, polymers and analysis
Module 1 ­ Rings, acids and amines
Done
Arenes
Compar
e t
he
K ekul
é and
del
ocal
ised
model
s
for
benzene
in
ter
ms
of
p or
bit
al
over
lap
f
ormi
ng
bonds.
Revi
ew t
he evi
dence f
or
a del
ocal
ised
mo del
of
benzene
in
ter
ms
of
bond
lengt
hs,
ent
hal
py change
of
hydrogenat
ion
and r
esi
stance
to
reacti
on.
Descr
ibe
the
elect
rophi
li
c
subst
it
uti
on
of
arenes
w i
t
h :
(
i)
concent
rat
ed
nit
ri
c
aci
d i
n t
he
presence
of
concent
rat
ed
sul
fur
ic
aci
d
(
ii
)
a hal
ogen
in
the
presence
of
a hal
ogen
car
ri
er.
Outl
i
n e
the
mechani
sm of
elect
rophi
li
c subst
it
uti
on i
n ar
enes,
usi
ng
the
mononi
tr
ati
on
and
mo nohal
ogenat
ion
of
benzene as
examp l
e s.
Expl
ain
the
rel
ati
ve r
esi
stance
to
brominat
ion
of
be nzene,
compar
ed wi
th
alkenes,
i
n
t
erms of
t
he del
ocal
ised
elect
ron
densit
y of
t
he
b onds
in
benzene
compared wi
th
the
l
ocal
ised
elect
ron
densi
ty
of
the
C =C bond
in
alkenes.
Descr
ibe
the
react
ions
of
phenol
:
(
i)
wi
th
aqueous
alkal
is
and
wit
h sodi
um
to
for
m sal
ts
(
ii
)
w i
th
bromi
ne
to
for
m 2,
4,6tr
ibr
omophenol
.
Expl
ain
the
rel
ati
ve
ease
of
bromi
nati
on of
phenol
compar
ed wit
h benzene,
i
n t
erms
of
el
ect
ron pai
r
donati
on
to
the
benzene
ri
ng f
rom an
oxygen
p or
bit
al
in
phenol.
St
ate
the
uses
of
phenol
s i
n t
he
product
ion
of
plast
ic
s,
ant
isept
ics
, di
si
nfect
ant
s and
r
esi
ns f
or
pai
nts.
Done
Carbonyl compounds
2­ +
Descr
ibe
the
oxi
dat
ion
of
alc
o hol
s usi
ng
C r
2O7 /H (
i.
e.
K2Cr2O7/H2SO4),
i
ncl
udi
ng:
(
i)
t
he
oxi
dat
ion
of
pri
ma r
y al
cohol
s t
o f
orm al
dehydes
and
car
boxyl
i
c aci
ds t
he
cont
rol
of
t
he
oxi
dat
ion
product
usi
ng
dif
fer
ent
react
ion
condi
ti
ons
(
ii
)
the
oxi
dat
ion
of
secondar
y al
cohol
s t
o f
orm
ket
ones.
2­ +
Descr
ibe
the
oxi
dat
ion
of
aldehydes
usi
ng
C r
2O7 /H t
o f
orm
car
boxy
li
c aci
ds.
Descr
ibe
the
reduct
i
o n
of
car
bonyl
compounds
usi
ng
N aBH4 t
o f
orm
alcohol
s.
Out
li
ne
the
me chani
sm f
or
nuc l
eophi
li
c addi
ti
on
react
ions
of
aldehydes
and
ket
ones
wi
th
hydr
ides,
such
as
NaBH 4.
Descr
ibe
the
use
of
2,4di
nit
rophenyl
hydr
azi
ne
to:
(
i)
det
ect
t
he
presence
of
a car
bonyl
g r
oup
in
an
organi
c compound
(
ii
)
ident
if
y a
car
bonyl
compound
fr
om
the
mel
ti
ng
poi
nt
of
the
der
ivat
ive.
Descr
ibe
the
use
of
Tol
lens'
r
eagent
(
ammoni
acal
si
l
ver
ni
tr
ate)
t
o:

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Page 2

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Done
Carboxylic acids and esters
Expl
ain
the
w at
er
solubi
li
ty
of
car
boxyl
i
c aci
ds
in
ter
ms
of
hydr
ogen
bondi
ng
and
di
pol
e­ di
pol
e i
n t
eract
ion.
Descr
ibe
the
react
ions
of
car
boxyl
i
c aci
ds
w i
t
h
met
als,
car
bonat
es
and
bases.…read more

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Module 2 ­ Polymers and synthesis
Done
Amino acids and chirality
St
ate
the
gener
al
for
mul
a f
or
an
ami
no
aci
d as
RCH(NH2)COOH.
St
ate
that
an
ami
no
aci
d exi
sts
as
a zwi
tt
eri
on
at
a pH val
ue
cal
led
the
isoel
ect
ri
c
poi
nt.…read more

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For
an
organi
c
mol
ecul
e cont
aini
ng
sever
al
funct
ional
gr
oups:
(
i)
i
dent
if
y i
ndi
vi
dual
f
unct
i
o nal
gr
oups
(
ii
)
predi
ct
pr
oper
ti
es
and
react
ions.
Devi
se
mul
ti
st
age
synt
het
ic
rout
es
for
pr
epar
ing
organi
c
compounds.…read more

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Module 3 ­ Analysis
Done
Chromatography
Descri
be
chromatogr
aphy
as
an anal
yt
ical
t
echnique
that
separ
ates
component
s i
n a
mixt
ure
between
a mobi
le
phase
and a
stat
ionar
y phase.…read more

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Predi
ct
the
chemi
cal
shi
ft
s and
spl
it
ti
ng
pat
ter
ns
of
the
prot
ons
i
n
a gi
ven
mol
ecul
e.
Descr
ibe
the
use of
t
etr
amet
hyl
si
lane,
TMS,
as
the
standar
d f
or
chemi
cal
s
h i
ft
measurements.
St
ate
the
need
for
deut
erat
ed
sol
vent
s,
e.g.
CDCl
3,
w hen
runni
ng
an
N MR s
p ect
rum.…read more

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A2 Unit F325: Equilibria, energetics and elements
Module 1 ­ Rates, equilibrium and pH
Done
How fast?
E xpl
ain
and u se
th e
ter
ms:
rate of reaction,
order,
rate constant,
halflife,
ratedetermining step.
Deduce,
f
rom
a concent
rat
ion­t
ime
graph,
t
he
rat
e of
a
react
ion
and
the
hal
fli
fe
of
a
f
ir
st
order
r
eact
i
o n.…read more

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Done
Acids, bases and buffers
Descr
ibe
an aci
d as
a s
p eci
es
that
can
donat
e a
prot
on
and
a base
as
a speci
es
that
can
accept
a
proton.
+
I
ll
ustr
ate,
usi
ng
ioni
c equat
ions,
t
he
rol
e of
H i
n t
he
react
ions
of
aci
ds
w i
t
h
met
als
,
car
bon at
es,
bases
and al
kal
is.…read more

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Module 2 ­ Energy
Done
Lattice enthalpy
Expl
ain
and use
the
ter
m lattice enthalpy (
H negat
ive,
i
.e.
gaseous
ions
to
the
sol
id
l
att
ice)
as
a measure
of
i
o ni
c bo nd st
reng t
h.
Use
the
lat
ti
ce
ent
hal
py
of
a si
mpl
e i
oni
c
sol
id
(i
.e.…read more

Page 10

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I
nter
pret
and
make
predi
ct
ions
for
r
eact
ions
invol
vi
ng
elect
ron
tr
ansf
er.
Def
ine
the
ter
m standard electrode (redox) potential,
E .…read more

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Former Member

This is super helpful! Exactly what I need to get organised

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