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Selasa, 17 Januari 2012

TEST OF ELECTROLYTE


I. OBJECTIVE TEST

1.   Look at the following table!
Matter
Lamp
Gas bubbles
1
2
3
4
Flame brightly
Flame dully
Not flame
Not flame
More gas bubbles
More gas bubbles
Less gas bubbles
Nothing gas bubbles
      According to the data above: the strong electrolyte solution, the weak electrolyte solution and non electrolyte solution shown by number….
      A.  1, 2 and 3                                               D.  3, 2 and 1
      B.  2, 3 and 4                                               E.   2, 4 and 1
      C.  1, 3 and 4
2.   Look at the following data!
      1.   H Cl solution                                          5.   Na Cl solution
      2.   Na OH solution                                      6.   C2H5OH solution
      3.   CH2COOH solution                               7.   C6H12O6 solution
      4.   NH3 solution
      The classification of the strong electrolyte is….
      A.  1, 3 and 5                                               D.  4, 5 and 7
      B.  3, 4 and 6                                               E.   4, 6 and 7
      C.  1, 2 and 5
3.   The electric current can flow in the electrolyte solution because….
      A.  the electric current flow from cathode to anode
      B.  the electrolyte solution enable occurrence of the electric current
      C.  the lamp flame at the electric current flowed
      D.  on the side of electrode appear gas bubble
      E.   exist the ions in the solution that can free moved
4.   Look at the following data!
Numb.
Exp.
Compound
Formed substance
Flame of Lamp
Gas bubble
solution
a trickle
crystal
yes
no
yes
no
1
C6H12O6




2
C6H12O6




3
Na Cl




4
Na Cl




      The correct data of the experiment shown by number….
      A.  1, 2 and 3                                               D.  4
      B.  1 and 3                                                   E.   1, 2, 3 and 4
      C.  2 and 4
5.   Look at the following table!
       Solution
Lamp
Electrode
A
No light
No bubble gases
B
Light
There are bubble gases
C
No light
There are bubble gases
D
Light
There are bubble gases
E
No light
No bubble gases
F
Light
There are bubble gases
       The solutions which included in weak electrolyte and strong electrolyte, in a sequence (berurutan) are....
      a.   B and F                                            d.   E and B
      b.   C and D                                            e.   F and C
      c.   D and A
6.   Pay ettention to the table below!
       Number
Lamp
Bubble gases
1.
+ +
+ +
2.
+ + +
+ + +
3.
-
+
4.
-
-
5.
+ +
+ +
       Ammonia solution is showed (ditunjukkan) by experiment number....
      a.   1                                                       d.   4
      b.   2                                                       e.   5
      c.   3

 
7.   There are some solution:
      1.   NaCl solution
      2.   CH3COOH 30 % solution
      3.   H2SO4 solution
      4.   C2H5OH 40 % solution
      The solution which has worst (paling buruk) conductivity is....
      a.   1                                                       d.   4
      b.   2                                                       e.   No right answer (tidak ada jawaban yang benar)
      c.   3
8.   The characteristics of salt are....
     

Boiling point (titik didih)
Conductivity (daya hantar)
of crystal
Conductivity of trickle (lelehan)
a.
High
+ + +
+ + +
b.
High
+ + +
+ +
c.
High
-
+ +
d.
Low
+ + +
+ + +
e.
Low
-
+ +


9.   There is no light of lamp and there are bubble gasses in the electrode. Based on the data, so the name of solution used in the experiment is....
      a.   CH3COOH                                                     
      b.   C2H5OH                                                
      c.   HCl
      d.   H2SO4
      e.   Aquades
10. Look at the following table!
       Solution
Lamp
Electrode
A
No light
No bubble gases
B
Light
There are bubble gases
C
No light
There are bubble gases
D
Light
There are bubble gases
E
No light
No bubble gases
F
Light
There are bubble gases
       The solutions which included in weak electrolyte and strong electrolyte, in a sequence (berurutan) are....
      a.   B and F                                            d.   E and B
      b.   C and D                                            e.   F and C
      c.   D and A
11. Pay ettention to the table below!
       Number
Lamp
Bubble gases
1.
+ +
+ +
2.
+ + +
+ + +
3.
-
+
4.
-
-
5.
+ +
+ +
       Ammonia solution is showed (ditunjukkan) by experiment number....
      a.   1                                                       d.   4
      b.   2                                                       e.   5
      c.   3
12. There are some solution:
      1.   NaCl solution
      2.   CH3COOH 30 % solution
      3.   H2SO4 solution
      4.   C2H5OH 40 % solution
      The solution which has worst (paling buruk) conductivity is....
      a.   1                                                       d.   4
      b.   2                                                       e.   No correct answer
      c.   3
13. Pay attention to the following statements!
      1.   H2SO4 10 % solution is better than H2SO4 5 % solution in conducting of electric current.
      2.   HCl 10 % solution is worst than H2SO4 10 % solution in conducting of electric current.
      3.   NH3 10 % solution is worst than HCl 5 % solution in conducting of electric current.
      4.   Acetic acid solution  is better than ocean water in conducting of electric current.
      The wrong statement/statements is/are number....
      a.   1, 2, 3                                               d.   4
      b.   1, 3                                                   e.   1, 2, 3, 4      
      c.   2, 4
14. Pay ettention to the table below!

Number
Lamp
Bubble gases
1.
+ +
+ +
2.
+ + +
+ + +
3.
-
+
4.
-
-
5.
+ +
+ +
      Salt solution is showed (ditunjukkan) by experiment number....
      a.   1                                                       d.   4
      b.   2                                                       e.   5
      c.   3
15. There are some solution:
      1.   NaCl solution
      2.   CH3COOH 30 % solution
      3.   H2SO4 solution
      4.   C2H5OH 40 % solution
      The solution which has best (paling baik) conductivity is....
      a.   1                                                       d.   4
      b.   2                                                       e.   No right answer (tidak ada jawaban yang benar)
      c.   3
16. Look at the following table!

Substance
The form of substance
Crystal
Trickle
Solution
P
Non conductor
Good conductor
Good conductor
Q
Non conductor
Non conductor
Good conductor
R
Good conductor
Good conductor
Not dissolved (tidak larut)
S
Non conductor
Non conductor
Bad conductor
      The substance/substances which is/are included in ionic compound is/are....
      a.   P and Q                                            d.   Q and S
      b.   Q and R                                            e.   P
      c.   R and S
17. Look at the following table!
       Solution
Lamp
Electrode
A
No light
No bubble gases
B
Light
There are bubble gases
C
No light
There are bubble gases
D
Light
There are bubble gases
E
No light
No bubble gases
F
Light
There are bubble gases
      The solutions which included in strong electrolyte and weak electrolyte, in a sequence are....
      a.   B and F                                            d.   E and B
      b.   C and D                                            e.   F and C
      c.   D and A
18. Pay ettention to the table below!
Number
Lamp
Bubble gases
1.
+ +
+ +
2.
+ + +
+ + +
3.
-
+
4.
-
-
5.
+ +
+ +
      Sugar solution is showed (ditunjukkan) by experiment number....
      a.   1                                                       d.   4
      b.   2                                                       e.   5
      c.   3
19. There are some solution:
      1.   NaCl solution
      2.   CH3COOH 30 % solution
      3.   H2SO4 solution
      4.   C2H5OH 40 % solution
      The solution which has worst (paling buruk) conductivity is....
      a.   1                                                       d.   4
      b.   2                                                       e.   No right answer
      c.   3
20. Look at the following table!
Substance
The form of substance
Crystal
Trickle
Solution
P
Non conductor
Good conductor
Good conductor
Q
Non conductor
Non conductor
Good conductor
R
Good conductor
Good conductor
Not dissolved (tidak larut)
S
Non conductor
Non conductor
Bad conductor
      The substance/substances which is/are included in covalent compound is/are....
      a.   P and Q                                            d.   Q and S
      b.   Q and R                                            e.   S
      c.   R and S

II. ESSAY TEST

1.   10 moles of X(OH)3 soluted in the water and produces 0,03 moles of hidroxide ion. Determine the value of a and the kind of X solution (non electrolyte/weak electrolyte/strong elevtrolyte)!
2.   The 4 mole of element X dissolved in the water and it remains a 2.5 mol in equilibrium. Determine the value of a and the kind of X solution (non electrolyte/weak electrolyte/strong elevtrolyte)!
3.   Look at the following table!
Solution
Lamp
Electrode
A
No light
No bubble gases
B
Light
There are bubble gases
C
No light
There are bubble gases
D
Light
There are bubble gases
E
No light
No bubble gases
F
Light
There are bubble gases
        Determine the kind of A, B, C, D, E, and F solution (non electrolyte/weak electrolyte/strong elevtrolyte)!

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