Redox Reactions Quiz

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Jugadas 2 %Acierto 70 Tiempo medio 01:48

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Test your redox basics

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Bhavna .

India

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Froggy Jumps Redox Reactions QuizVersión en línea Test your redox basics por Bhavna . 1 In a redox reaction, what is oxidation? a Loss of electrons by a species b Gain of electrons by a species c Change in oxidation state without electron transfer 2 Which species is oxidized in a reaction where Fe is converted to Fe2+? a Fe is unchanged b Iron gains electrons c Iron loses electrons 3 What is reduction? a Gain of electrons by a species b Increase in oxidation state c Loss of electrons by a species 4 Which agent is the reducing agent in Fe2+ → Fe? a H+ b Fe3+ c Fe2+ 5 In a redox reaction, what does a positive E° indicate? a Equilibrium with no net change b Non-spontaneous c Spontaneous tendency to proceed as written 6 Which is the oxidizing agent in Cl2 + 2e- → 2Cl-? a Chloride ion (Cl-) b Water c Chlorine gas (Cl2) 7 What happens to oxidation state during oxidation? a It decreases b It stays the same c It increases 8 Which species is reduced in MnO4- + 8H+ + 5e- → Mn2+ + 4H2O? a Hydrogen ions b Manganese in MnO4- c Oxygen in MnO4- 9 Which term describes a half-reaction involving electron transfer? a Catalysis b Equilibrium constant c Aredox (half-reaction) 10 What is an electrolyte in redox titrations? a A substance that is insoluble in water b A substance that conducts ions c A substance that donates electrons

Froggy Jumps

Redox Reactions QuizVersión en línea

Test your redox basics

por Bhavna .

In a redox reaction, what is oxidation?

Loss of electrons by a species

Gain of electrons by a species

Change in oxidation state without electron transfer

Which species is oxidized in a reaction where Fe is converted to Fe2+?

Fe is unchanged

Iron gains electrons

Iron loses electrons

What is reduction?

Gain of electrons by a species

Increase in oxidation state

Loss of electrons by a species

Which agent is the reducing agent in Fe2+ → Fe?

H+

Fe3+

Fe2+

In a redox reaction, what does a positive E° indicate?

Equilibrium with no net change

Non-spontaneous

Spontaneous tendency to proceed as written

Which is the oxidizing agent in Cl2 + 2e- → 2Cl-?

Chloride ion (Cl-)

Water

Chlorine gas (Cl2)

What happens to oxidation state during oxidation?

It decreases

It stays the same

It increases

Which species is reduced in MnO4- + 8H+ + 5e- → Mn2+ + 4H2O?

Hydrogen ions

Manganese in MnO4-

Oxygen in MnO4-

Which term describes a half-reaction involving electron transfer?

Catalysis

Equilibrium constant

Aredox (half-reaction)

What is an electrolyte in redox titrations?

A substance that is insoluble in water

A substance that conducts ions

A substance that donates electrons

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Redox Reactions Quiz

Froggy Jumps

Sobre esta actividad

Creada por

Descarga la versión para jugar en papel

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Redox Reactions QuizVersión en línea

por Bhavna .

In a redox reaction, what is oxidation?

Which species is oxidized in a reaction where Fe is converted to Fe2+?

What is reduction?

Which agent is the reducing agent in Fe2+ → Fe?

In a redox reaction, what does a positive E° indicate?

Which is the oxidizing agent in Cl2 + 2e- → 2Cl-?

What happens to oxidation state during oxidation?

Which species is reduced in MnO4- + 8H+ + 5e- → Mn2+ + 4H2O?

Which term describes a half-reaction involving electron transfer?

What is an electrolyte in redox titrations?