Quali
t
a
ti
v
eAnion
T
e
s
ts
P
e
t
er Jeschofni
g
, Ph.
D
.
V
e
r
sion 42-0192-00-01
L
a
b
R
e
p
o
r
t
A
s
s
i
s
t
a
n
t
Thisdocume
n
tisnotmea
n
t
t
obeasu
b
s
titu
t
e
f
ora
f
ormallabo
r
at
o
r
y
r
eport.TheLab
R
eport Assi
st
a
n
tissimplyasumma
r
yofthe
e
xperime
n
t
’
sque
s
tions,diag
r
amsifneeded,andd
a
t
a
t
ables th
a
tshouldbeadd
r
essedina
f
ormallab
r
eport.Thei
n
t
e
n
tis
t
o
f
acili
t
a
t
e
s
tude
n
ts’writingoflab
r
eports
b
y p
r
o
viding this i
n
f
orm
a
tionin an edi
t
able filewhich
c
an be se
n
t
t
o an in
s
truc
t
o
r
.
D
a
t
a
T
able: Quali
t
a
ti
v
eAnion
T
e
s
ts
Name
T
e
s
t
T
ube 1
w/HCl
T
e
s
t
T
ube 2 w
/
AgNO
3
w/HNO
T
e
s
t
T
ube 3
Co
n
firm
a
tion
B
r
omide
Carbon
a
t
e
Chloride
Iodine
Phosph
at
e
Sul
f
a
t
e
Sulfide
Unkn
o
wn
O
b
s
e
r
v
a
t
i
o
ns
3
Qu
e
s
t
i
o
ns
Classi
f
y
y
ourionsac
c
o
r
ding
t
othe
f
ollowingth
r
eeg
r
ou
p
s.S
e
v
e
r
alofthe
ca
tionsbelong
t
omo
r
e than one g
r
oup.
G
r
oup 1:
Anions th
a
t WILL
N
O
T
PR
E
CIPI
TA
TE in the p
r
esence of sil
v
er nit
r
a
t
e.
G
r
oup
2:
Anions
th
a
t
WILLPR
E
CIPI
TA
TEinthep
r
esenceofsil
v
ernit
r
a
t
eandthe
r
esulting p
r
ecipi
t
a
t
es
WILL
DISSO
L
VE upon acidifi
c
a
tionwith nitric acid.
G
r
oup
3:
Anions
th
a
t
WILL
PR
E
CIPI
TA
TEinthep
r
esenceofsil
v
ernit
r
a
t
eandthe
r
esulting p
r
ecipi
t
a
t
es WILL
N
O
T
DISSO
L
VE upon acidifi
c
a
tionwith nitric acid.
A
.
W
ri
t
e a n
e
t ionic equ
a
tion
f
or a
n
y
r
eactionth
a
t p
r
oduces a p
r
ecipi
t
a
t
e.
B.
Ide
n
ti
f
ythe anions th
a
t p
r
oduce
g
as upon additionof HCl.
C.
Ide
n
ti
f
ythe anions th
a
t do not p
r
ecipi
t
a
t
e with sil
v
er nit
r
a
t
e.
D
.
Ide
n
ti
f
ytheanionsth
a
t
r
eactwithsil
v
ernit
r
a
t
e
t
o
f
ormp
r
ecipi
t
a
t
esth
a
tdissol
v
ewhen acidifiedwith nitric acid.
E.
Ide
n
ti
f
ytheanionsth
a
t
r
eactwithsil
v
ernit
r
a
t
e
t
o
f
ormp
r
ecipi
t
a
t
esth
a
tdonotdissol
v
ewhen acidifiedwith nitric acid.
2-
F
.
Wh
a
tsimple
t
e
s
t(otherthanaspecific
c
o
n
firm
a
tion
t
e
s
t)
w
oulddi
s
tinguishb
e
t
w
een
C
O
3
-
and NO
3
?
.
