Complex Ions
1. Concentrated (15M) ammonia solution is added in excess to a solution of copper(I1) nitrate.
2. An excess of nitric acid solution is added to a solution of tetraaminecopper(I1) sulfate.
Y h'
+
Cu2'
1
4dt14t
3. Dilute hydrochloric acid is added to a solution of diamminesilver(1) nitrate.
*
2h-t
+
4-
c\-
4. Solid aluminum nitrate is
5. A suspension ofcopper(ll) hydroxide is treated with an excess of ammonia water.
CJ,
+
Y
M
4
~
[C,(~H~\J~+
2o\i
~
6. A solution of diamminesilver(1) chloride is treated with dilute nitric acid.
-.2 N H 4 *
7. An excess of concentrated ammonia
freshly precipitated
8. Excess dilute nitric acid is added to a solution containing the ~<traaminecadmium(II)ion.
-
Yh*
-7 N W +
-r
a solution saturated with silver chloride.
9. An excess of
ZN~>
cr2+
ASC\
+
[4(N~3\~]+
c\-
10. Solid aluminum oxide is added to a solution o sodium hydroxide.
A\,
3
-
qoh-
11. A concentrated solution of
+
Vh3
12. An excess of sodium hydroxide
chloride.
qbh13. A concentrated solution of
chloride.
14. Excess concehted sodium hydroxide solution is added tgsofid aluminum hydroxide.
OH-
15. Excess
silver chloride,
16. Pellets of aluminum metal are added to a solution containing an excess of sodium hydroxide.
J
-
A\
17. A suspension of zinc
I
\7-
sodium hydroxide solution.
[in(n&),-JL7
18. Silver chloride is dissolved in excess ammonia solu ion.
,
19. Sodium
(3h'
20. A drop of
~ C N -
~e"
Z-f
FeScf-4
-
21. A concentrated solution of ammonia is added to a suspension of zinc hydroxide.
-
N N~
&(oh\,
12-(,N~J,,\~'
- 22+-/
-4
20. Excess concentrated potassium hydroxide solution is added to a precipitate of zinc
hydroxide.
zo'q-
21. A solution of ammonium
22. Excess sodium cyanide is added to a solution of silver nitrate..
.-cbJ-
+
AS
-
L .
Addition
1. The gases boron trifluoride and G o n i a are mixed.
-
BF,
AM^
--t
FS6aq3
2. A mixture of solid calcium oxide and solid tetraphosphorus decaoxide is heated.
1'-0
-
3. Solid calcium oxide is
Ck0
C,U3
4. Solid calcium oxide is heated in the presence of sulfur trioxide gas.
G2
+
5. Calcium metal is
3 L
+
-
3
G5ay
y in nitrogen gas.
2
L3NL
6. Excess chlorine gas is passed over hot iron filings.
7. Powdered magnesium oxide is added to a container of carbon dioxide gas.
M3cq
-s
8. A piece of lithium metal is dropped into a container of nitrogen gas.
(-P L,,
+
*L
-+ 2 L,,
9. Magnesium metal is burned in nitrogen gas.
d
10. Sulfur dioxidegas is passed over solid c a l c i h oxide.
20, * L o
G S o3
11. Samples of boron trichloride gas and ammonia gas are mixed.
B u3
+
M q3
C13
Decomposition
1. A solution of hydrogen peroxide is heated.
2f\,oz
8 -M3
4
O z -+2W2b
2. Solid magnesium carbonate is heated.
4
-
3. A solution of hydrogen peroxide is catalytically decomposed.
'-'Lo2
O2
-,-
h2a
4. Solid potassium chlorate is heated in the presence of manganese dioxide as a catalyst.
2 k c l o'3
b
2kc\
30,
5. Sodium hydrogen carbonate is dissolved in water.
N t , h co
3 '
'
6. Solid ammonium carbonate is heated.
4-
+
"
kc0
3
-