- This Mock test contains 30 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.
- Read each question carefully.
- Determine the one correct answer out of the four available options given for each question.
- Each question awards you 1 point.
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- Question 1 of 30
1. Question1 point(s)
Which of the following complexes has lowest molar conductance?CorrectIncorrect
- Question 2 of 30
2. Question1 point(s)
How is electrical conductance of a conductor related with length and area of cross section of the conductor ?CorrectIncorrect
- Question 3 of 30
3. Question1 point(s)
Which among the following metals is employed to provide cathodic protection to iron?CorrectIncorrect
- Question 4 of 30
4. Question1 point(s)
20 ml solution of 0.1 M ferrous sulphate was completely oxidised using a suitable oxidising agent. What is the number of electrons exchanged?CorrectIncorrect
- Question 5 of 30
5. Question1 point(s)
Resistance of 0.2 M solution of an electrolyte is 50 W. The specific conductance of the solution is 1.3 S m–1. If resistance of the 0.4 M solution of the same electrolyte is 260 W, its molar conductivity isCorrectIncorrect
- Question 6 of 30
6. Question1 point(s)
E1, E2 and E3 are the emf values of the three galvanic cells respectively.
Which one of the following is true?CorrectIncorrect
- Question 7 of 30
7. Question1 point(s)
The standard emf of galvanic cell involving 3 moles of electrons in its redox reaction is 0.59 V. The equilibrium constant for the reaction of the cell isCorrectIncorrect
- Question 8 of 30
8. Question1 point(s)
What is SI unit of conductivity ?CorrectIncorrect
- Question 9 of 30
9. Question1 point(s)
The molar conductivity of a 0.5 mol/dm³ solution of AgNO3 with electrolytic conductivity of 5.76 x 10-³ S/cm at 298K isCorrectIncorrect
- Question 10 of 30
10. Question1 point(s)
The distance between the electrodes of a conductivity cell is 0.98 cm and the cell constant is 0.5 cm-¹ . Calculate the cross sectional area of electrode .CorrectIncorrect
- Question 11 of 30
11. Question1 point(s)
The number of moles of electrons passed when current of 2A is passed through a solution of electrolyte for 20minutes is_______CorrectIncorrect
- Question 12 of 30
12. Question1 point(s)
The overall reaction taking place at anode during electrolysis of fused sodium chloride using suitable electrode is _______CorrectIncorrect
- Question 13 of 30
13. Question1 point(s)
Two Faradays of electricity is passed through a solution of CuSO4. The mass of copper deposited at the cathode is ___CorrectIncorrect
- Question 14 of 30
14. Question1 point(s)
During electrolysis of molten CaCl2, 0.005 A current is passed through the cell for 200s. The mass of product formed at cathode will beCorrectIncorrect
- Question 15 of 30
15. Question1 point(s)
Which one of the following electrolytes is used to maintain electrical neutrality in the Daniel Cell ?CorrectIncorrect
- Question 16 of 30
16. Question1 point(s)CorrectIncorrect
- Question 17 of 30
17. Question1 point(s)CorrectIncorrect
- Question 18 of 30
18. Question1 point(s)CorrectIncorrect
- Question 19 of 30
19. Question1 point(s)CorrectIncorrect
- Question 20 of 30
20. Question1 point(s)
What is density of solution o sulphuric acid used as an electrolyte in lead accumulator ?CorrectIncorrect
- Question 21 of 30
21. Question1 point(s)CorrectIncorrect
- Question 22 of 30
22. Question1 point(s)
The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is ______CorrectIncorrect
- Question 23 of 30
23. Question1 point(s)
The Eº value of galvanic cell involving cell reaction with n=3 was found to be 0.592V at 298k . The equilibrium constant of the reaction would beCorrectIncorrect
- Question 24 of 30
24. Question1 point(s)
Given . The value of standard electrode potential for the change, + e– ® Fe2+ will beCorrectIncorrect
- Question 25 of 30
25. Question1 point(s)
Hydrogen gas is not liberated when the following metal is added to dil. HCl.CorrectIncorrect
- Question 26 of 30
26. Question1 point(s)
Given = -0.42 V
The potential for the cell
Cr / Cr3+ (0.1 M) || Fe2+ (0.01 M) | Fe isCorrectIncorrect
- Question 27 of 30
27. Question1 point(s)
Given the data at 25°C,
Ag + I− → AgI + e− ; Eo = 0.152 V
Ag → Ag+ + e−; Eo = −0.800 V
What is the value of log Ksp for AgI?CorrectIncorrect
- Question 28 of 30
28. Question1 point(s)
The hydrogen electrode is dipped in a solution of pH 3 at 25°C. The potential would be (the value of 2.303 RT/F is 0.059 V)CorrectIncorrect
- Question 29 of 30
29. Question1 point(s)
In a cell that utilizes the reaction
Zn(s) + 2H+ (aq) → Zn2+ (aq) + H2(g) addition of H2SO4 to cathode compartment, will:CorrectIncorrect
- Question 30 of 30
30. Question1 point(s)
The values of Cr, Mn, Fe and Co are -0.41, + 1.57, +0.77 and +1.97 V respectively.
For which one of these metals the change in oxidation state from +2 to +3 is easiest?CorrectIncorrect