MEDIUM
JEE Main
IMPORTANT
Earn 100

A KI solution containing starch turns blue on the addition of chlorine. Which of the following statements explain(s) this?

50% studentsanswered this correctly

Important Questions on Electrochemistry

MEDIUM
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 3 - Electrochemistry>DPP 3.4>Q 18
Which of the following statements (are) correct?
MEDIUM
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?
EASY
JEE Main
IMPORTANT
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?
MEDIUM
JEE Main
IMPORTANT
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°?

Question Image

MEDIUM
JEE Main
IMPORTANT
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?
HARD
JEE Main
IMPORTANT
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?
MEDIUM
JEE Main
IMPORTANT
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.
EASY
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?