Electrochemistry Quiz

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Electrochemistry basics

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Nagarajan

India

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Froggy Jumps Electrochemistry QuizOnline version Electrochemistry basics by Nagarajan 1 What does a positive cell potential indicate about a galvanic cell's spontaneity? a The reaction is nonspontaneous b The reaction is spontaneous as written c It requires a catalyst to proceed 2 Which component is reduced at the cathode in a galvanic cell? a The species with higher reduction potential b The anode material c The species with lower oxidation state 3 In a standard cell, what does E°cell depend on? a Temperature only b Standard electrode potentials of the half-reactions c Concentration of reactants 4 What is the Nernst equation used for in electrochemistry? a Measuring electrolyte conductivity b Relating cell potential to ion activities at non-standard conditions c Calculating activation energy 5 Which process involves driving non-spontaneous reactions using electrical energy? a Electrolysis b Voltaic discharge c Redox titration 6 Faraday's law relates the amount of substance changed to what quantity? a Temperature b Total charge transferred (Q) c Electrical resistance 7 In a Daniell cell, what are the two half-reactions typically? a Fe to Fe2+ and Ag+ to Ag b Pb to Pb2+ and Sn to Sn2+ c Zn to Zn2+ and Cu2+ to Cu 8 What can increase the rate of an electrochemical reaction besides temperature? a Overpotential at electrodes b Marger solvents only c Increasing reactor volume 9 What is the role of a salt bridge in a galvanic cell? a Maintain charge balance by allowing ion flow b Provide mechanical support c Absorb excess electrons 10 Which factor does NOT affect electrode potential? a Temperature b Concentration of species c Mass of the electrode

Froggy Jumps

Electrochemistry QuizOnline version

Electrochemistry basics

by Nagarajan

What does a positive cell potential indicate about a galvanic cell's spontaneity?

The reaction is nonspontaneous

The reaction is spontaneous as written

It requires a catalyst to proceed

Which component is reduced at the cathode in a galvanic cell?

The species with higher reduction potential

The anode material

The species with lower oxidation state

In a standard cell, what does E°cell depend on?

Temperature only

Standard electrode potentials of the half-reactions

Concentration of reactants

What is the Nernst equation used for in electrochemistry?

Measuring electrolyte conductivity

Relating cell potential to ion activities at non-standard conditions

Calculating activation energy

Which process involves driving non-spontaneous reactions using electrical energy?

Electrolysis

Voltaic discharge

Redox titration

Faraday's law relates the amount of substance changed to what quantity?

Temperature

Total charge transferred (Q)

Electrical resistance

In a Daniell cell, what are the two half-reactions typically?

Fe to Fe2+ and Ag+ to Ag

Pb to Pb2+ and Sn to Sn2+

Zn to Zn2+ and Cu2+ to Cu

What can increase the rate of an electrochemical reaction besides temperature?

Overpotential at electrodes

Marger solvents only

Increasing reactor volume

What is the role of a salt bridge in a galvanic cell?

Maintain charge balance by allowing ion flow

Provide mechanical support

Absorb excess electrons

Which factor does NOT affect electrode potential?

Temperature

Concentration of species

Mass of the electrode

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Electrochemistry Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Electrochemistry QuizOnline version

by Nagarajan

What does a positive cell potential indicate about a galvanic cell's spontaneity?

Which component is reduced at the cathode in a galvanic cell?

In a standard cell, what does E°cell depend on?

What is the Nernst equation used for in electrochemistry?

Which process involves driving non-spontaneous reactions using electrical energy?

Faraday's law relates the amount of substance changed to what quantity?

In a Daniell cell, what are the two half-reactions typically?

What can increase the rate of an electrochemical reaction besides temperature?

What is the role of a salt bridge in a galvanic cell?

Which factor does NOT affect electrode potential?

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