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Which of the following concentration cells will produce maximum at 298 K. [Take = 1.0 atm in each case.]
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Important Questions on Redox Reactions and Electrochemistry
EASY
Which of the following statements is/are TRUE for an electrochemical cell ?
MEDIUM
A half cell is prepared by dipping Ag electrode in a solution containing KCl and some AgCl. Half cell is used as cathode during the cell reaction. Quantity of AgCl will –
EASY
Which of the following statement is not correct about an inert electrode in a cell?
EASY
During the electrolysis of fused , which of these occur at anode?
EASY
Among the following, which reaction take place at anode?
MEDIUM
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes cathode and anode are respectively?
EASY
During electrolysis of fused calcium hydride, the hydrogen is produced at:
MEDIUM
State the differences between negative electrode and positive electrode.
EASY
Indicator electrode is
EASY
A hypothetical electrochemical cell is shown below.
The emf measured is . The cell reaction is
EASY
Which of the following reaction is possible at anode?
EASY
What will happen if dil. is electrolysed between Pt electrode?
EASY
During electrolysis, the species discharged at the cathode are
EASY
Which of the following acts as an indicator electrode?
MEDIUM
The type of electrode Pb | PbSO4(s) | H2SO4 used in acid storage cell is –
EASY
Which electrode, anode, or cathode is the oxidising electrodes? Why?
EASY
On the basis of electrochemical theory of corrosion, in aqueous solution reaction occuring at the cathode is.
EASY
Cotyledons are also called-
EASY
In which of the following cells net cell reaction is :
:
MEDIUM
Depict the galvanic cell in which the reaction
takes place. Further show:
Which of the electrode is negatively charged?
