ELL Level 2 - Equilibrium Observations  1

ELL Level 2 - Equilibrium Observations 1

5th Grade

26 Qs

quiz-placeholder

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ELL Level 2 - Equilibrium Observations  1

ELL Level 2 - Equilibrium Observations 1

Assessment

Quiz

Chemistry

5th Grade

Medium

Created by

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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