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Important Questions on Electrochemistry

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JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.4>Q 19
Which of the following does not require a salt bridge in them?
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JEE Main
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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.5>Q 1
How will the pH of brine (aq. NaCl solution) be affected when it is electrolysed?
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JEE Main
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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.5>Q 2

From the standard cell potentials given below, calculate the indicated cell potential E°?

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JEE Main
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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.5>Q 3
Write the Nernst equation for the cell reaction in a Daniel cell. How will the Ecell  be affected when concentration of Zn2+ ions increase?
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JEE Main
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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.5>Q 4
How can the reduction potential of an electrode MsMn+aq be increased?
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JEE Main
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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.5>Q 4
The equilibrium constant is related to E°cell  but not to Ecell . Explain why.
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JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.5>Q 4
What is the free energy change for (a) galvanic cell (b) electrolytic cell?
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JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.5>Q 5
An excess of solid AgCl is added to a 0.1 M solution of Br- ions at 298 K. Calculate the concentrations of Cl- and Br- ions at equilibrium. Given: E°Cl-/AgCl/Ag=0.222 V and E°Br-/AgBr/Ag=0.095 V?