AL
Chemistry Experiment Report Sheet
Experiment 12:
Factors affecting a Chemical Equilibrium
Name:
______________________ ( ) Form
6 S
I. Effect of Concentration on
Chemical Equilibria
A. Effect of addition of acid and alkali to bromine water
Colour
of Bromine water
|
|
|
Colour after added NaOH |
|
|
Colour after added HCl |
|
Explain
the observation briefly.
B. Hydrolysis of bismuth(III) chloride
Colour
change in step (4)
|
|
|
Colour change after step
(6) |
|
|
Colour change after step
(7) |
|
Explain
the observation briefly.
C. The reaction between potassium chromate and acid
Colour of solution
|
|
|
Colour after added HCl |
|
|
Colour after added NaOH |
|
Explain
the observation briefly.
II. Effect of temperature on chemical
equilibria
Colour
at iced water
|
|
|
Colour at room temperature |
|
|
Colour at hot water |
|
Explain
the observation briefly.
