English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Which of the following statement is not correct about an inert electrode in a cell?

Advertisements
Advertisements

Question

Which of the following statement is not correct about an inert electrode in a cell?

Options

  • It does not participate in the cell reaction.

  • It provides surface either for oxidation or for reduction reaction.

  • It provides surface for conduction of electrons.

  • It provides surface for redox reaction.

MCQ
Advertisements

Solution

It provides surface for redox reaction.

Explanation:

Inert electrode does not participate in redox reaction and acts only as source or sink for electrons. It provides surface either for oxidation or for reduction reaction.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Electrochemistry - Exercises [Page 34]

APPEARS IN

NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 3 Electrochemistry
Exercises | Q I. 5. | Page 34

RELATED QUESTIONS

Can you store copper sulphate solutions in a zinc pot?


A solution of CuSO4 is electrolysed using a current of 1.5 amperes for 10 minutes. What mass of Cu is deposited at cathode? [Atomic mass of Cu = 63.7]


What is the SI unit tor electrochemical equivalent?


Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because ____________.


A certain current liberated 0.504 gm of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time through copper sulphate solution.


Define cathode


Describe the electrolysis of molten NaCl using inert electrodes.


For the cell \[\ce{Mg_{(s)}|Mg^{2+}_{( aq)}||Ag^+_{( aq)}|Ag_{(s)}}\], calculate the equilibrium constant at 25°C and maximum work that can be obtained during operation of cell.
Given: \[\ce{E^0_{{Mg^{2+}|Mg}}}\] = −2.37 V and \[\ce{E^0_{{Ag^{+}|Ag}}}\] = 0.80 V


Write a note on sacrificial protection.


Use the data given in below find out the most stable oxidised species.

`E^0 (Cr_2O_1^(2-))/(Cr_(3+))` = 1.33 V   `E^0 (Cl_2)/(Cl^-)` = 1.36 V

`E^0 (MnO_4^-)/(MN^(2+))` = 1.51 V   `E^0 (Cr^(3+))/(Cr)` = – 0.74 V


The quantity of charge required to obtain one mole of aluminium from Al2O3 is ______.


Can absolute electrode potential of an electrode be measured?


Match the terms given in Column I with the units given in Column II.

Column I Column II
(i) Λm (a) S cm-¹
(ii) ECell (b) m-¹
(iii) K (c) S cm2 mol-¹
(iv) G* (d) V

Match the items of Column I and Column II.

Column I Column II
(i) K (a) I × t
(ii) Λm (b) `Λ_m/Λ_m^0`
(iii) α (c) `K/c`
(iv) Q (d) `G^∗/R`

Given the data at 25°C

\[\ce{Ag + I- -> AgI + e-}\]; E° = – 0.152 V

\[\ce{Ag -> Ag+ + e-}\]; E° = – 0.800 V

The value of log Ksp for AgI is ______.


Can we construct an electrochemical cell with two half-cells composed of ZnSO4 solution and zinc electrodes? Explain your answer.


Explain why the anode is of negative polarity in a galvanic cell.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×