Le Chatelier Principle
Authored by Marziah Mohamad
Chemistry
12th Grade
NGSS covered
Used 93+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Suggest a way to increase the concentration of C2H6.
increase the concentration C2H4
decrease the concentration H2
decrease concentration of C2H4
increase the temperature
Tags
NGSS.HS-PS1-6
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How the equilibrium system will react when the volume of the tank decrease.
produce more C
produce more A and B
remain unchanged
reduce formation of C
Tags
NGSS.HS-PS1-6
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happed to the position of equilibrium when the concentration Br2 increase?
forward reaction
reversed reaction
remain unchanged
Tags
NGSS.HS-PS1-6
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happened to the equilibrium position when the temperature decreased.
shift forward
shift backward
remain unchange
Tags
NGSS.HS-PS1-6
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Predict the colour of solution if more Fe3+ added to an equilibrium system.
yellow
blood red
colorless
orange
Tags
NGSS.HS-PS1-6
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Predict the colour of solution if SCN- removed from the test tube.
yellow
blood red
colorless
orange
Tags
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For an exothermic reaction,
Kc=50.0 at 100K. Predict the value of Kc at 300K
=50.0
< 50.0
> 50.0
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