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Electrochemistry

E0red of an element cab be calculated by comparing it with _____________________?

July 9, 2022March 18, 2019 by admin
E0red of an element cab be calculated by comparing it with _____________________?

A. New electrode of same element
B. SHE
C. 1M solution of ions of respective element
D. 2M solution of HCI

Categories Chemistry Mcqs, Electrochemistry

Salt bridge transfers_______________?

July 9, 2022March 18, 2019 by admin
Salt bridge transfers_______________?

A. electrons
B. anion
C. current
D. ions

Categories Chemistry Mcqs, Electrochemistry

Right half cell contains _____________ electrode?

July 9, 2022March 18, 2019 by admin
Right half cell contains _____________ electrode?

A. A1
B. Zn
C. Cu
D. Fe

Categories Chemistry Mcqs, Electrochemistry

Decrease in oxidation number is called__________________?

July 9, 2022March 18, 2019 by admin
Decrease in oxidation number is called__________________?

A. oxidation
B. reduction
C. oxidation-reduction
D. all of above represent same entity

Categories Chemistry Mcqs, Electrochemistry

Reaction at anode is called________________?

August 30, 2021March 18, 2019 by admin
Reaction at anode is called________________?

A. oxidation
B. reduction
C. redox
D. decomposition

Categories Chemistry Mcqs, Electrochemistry

In electrolytic solution conductance of electricity is due to _____________________?

July 9, 2022March 18, 2019 by admin
In electrolytic solution conductance of electricity is due to _____________________?

A. free electrons
B. ions
C. metals
D. electrodes

Categories Chemistry Mcqs, Electrochemistry

The degree of dissociation of week electrolyte increases as________________?

July 9, 2022March 18, 2019 by admin
The degree of dissociation of week electrolyte increases as________________?

A. Pressure increases
B. Dilution decreases
C. Dilution increases
D. None

Categories Chemistry Mcqs, Electrochemistry

Which of the following is true in the case of Zn-Cu cell ?

July 9, 2022March 18, 2019 by admin
Which of the following is true in the case of Zn-Cu cell ?

A. The flow of electrons takes place from copper to zinc
B. E0red of copper electrode is less than that of zinc electrode
C. Zinc acts as an anode and copper as cathode
D. All are correct

Categories Chemistry Mcqs, Electrochemistry

Which of the following cell is not rechargeable ?

July 9, 2022March 18, 2019 by admin
Which of the following cell is not rechargeable ?

A. Lead storage battery
B. Silver oxide cell
C. Fuel cell
D. Ni-Cd cell

Categories Chemistry Mcqs, Electrochemistry

Stronger the oxidizing agent greater is the________________?

July 9, 2022March 18, 2019 by admin
Stronger the oxidizing agent greater is the________________?

A. Oxidation potential
B. Reduction potential
C. Redox potential
D. emf of cell

Categories Chemistry Mcqs, Electrochemistry
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