- This Mock test contains 30 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.
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- 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