HARD
12th Maharashtra Board
IMPORTANT
Earn 100

Derive the relationship between standard cell potential and equilibrium constant of cell reaction.

Important Questions on Electrochemistry

MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 3
It is impossible to measure the potential of a single electrode. Comment.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 3
Why do the cell potential of lead accumulators decrease when it generates electricity? How the cell potential can be increased?
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 3
Why do the cell potential of lead accumulators decrease when it generates electricity? How the cell potential can be increased?
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 3
Write the electrode reactions and net cell reaction in NICAD battery.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 4
What is Kohlrausch law of independent migration of ions? How is it useful in obtaining molar conductivity at zero concentration of a weak electrolyte? Explain with an example.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 4
Explain electrolysis of molten NaCl.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 4
What current strength in amperes will be required to produce 2.4 g of Cu from CuSO4 solution in 1 hour? Molar mass of Cu=63.5 g mol-1. 
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 5 - Electrochemistry>Exercises>Q 4
Equilibrium constant of the reaction, 2Cu⊕(aq)⟶Cu2⊕(aq)+Cu(s) is 1.2×106. What is the standard potential of the cell in which the reaction takes place?