PCl5 (g) ⇌ PCl3(g) + Cl2(g) Endothermic
(PCl5(g) and PCl3(g) are colourless ) (Cl2(g) is green)
DECREASE PRESSURE
ELL Level 2 - Equilibrium Observations 1
Quiz
•
Chemistry
•
5th Grade
•
Medium
Lesley Elms
Used 2+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PCl5 (g) ⇌ PCl3(g) + Cl2(g) Endothermic
(PCl5(g) and PCl3(g) are colourless ) (Cl2(g) is green)
DECREASE PRESSURE
No change
green fades
Darker green
Can not tell from information given
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N2O4 (g) ⇌ 2NO2(g) ∆H = + 57.2 kJ.mol-1
(N2O4 (g) is colourless ) (NO2(g) is brown)
INCREASE TEMPERATURE
No change
Lighter brown
Darker brown
Can not tell from information given
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BiCl3 + H2O ⇌ BiOCl + 2HCl
(BiCl3 is Colourless ) (BiOCl is milky)
Adding water
No change
More milky
Less milky
Can not tell from information given
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PCl5 (g) ⇌ PCl3(g) + Cl2(g) Endothermic
(PCl5(g) and PCl3(g) are colourless ) (Cl2(g) is green)
INCREASE TEMPERATURE
No change
green fades
Darker green
Can not tell from information given
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2 (g) + I2 (g) ⇌ 2HI (g) Enthalpy is -ve
(H2(g) and HI(g) are colourless ) (I2(g) is purple)
REMOVE hydrogen gas
No change
Purple fades
Darker purple
Can not tell from information given
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BiCl3 + H2O ⇌ BiOCl + 2HCl
(BiCl3 is Colourless ) (BiOCl is milky)
Adding HCl
No change
More milky
Less milky
Can not tell from information given
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2 (g) + I2 (g) ⇌ 2HI (g) Enthalpy is -ve
(H2(g) and HI(g) are colourless ) (I2(g) is purple)
ADD A CATALYST
No change
Purple fades
Darker purple
Can not tell from information given
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