REDOX EQUILIBRIUM (1.1)
Authored by Mellisa Gomes
Chemistry
5th Grade
Used 169+ times
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8 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Tick the correct answer.
Fe → Fe2+ + 2e-
Oxidation
Reduction
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Tick the correct answer
4OH- → 2H2O + O2 + 4e-
Reduction
Oxidation
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Which substance undergoes reduction?
2Fe2+(aq) + Cl2 (aq) →2Fe3+(s) +2Cl- (aq)
Fe2+
Cl2
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which substance is the reducing agent?
2Fe2+(aq) + Cl2 (aq) →2Fe3+(s) +2Cl- (aq)
Fe2+
Cl2
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
The equation below shows the reaction between sodium and water to form sodium hydroxide and hydrogen.
2Na + 2H2O →2NaOH +H2
In this reaction, Na undergoes _______________ and H2O undergoes _____________
Na - oxidation
H2O - reduction
Na - reduction
H2O - oxidation
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
State the oxidising agent from the given ionic equation
Cu (s) + 2Ag+ (aq)→ Cu 2+ (aq) + 2Ag (s)
Cu
Ag+
Cu 2+
Ag
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following represents an oxidizing agent?
Zinc
Bromine water
Potassium iodide solution
Acidified potassium manganate(VII) solution
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