Electrochemistry Test Online Mcqs Preparation

Electrochemistry Test Online Mcqs Preparation With Answers Start Below

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Question 1 of 15

1. The correct order of equivalent conductance at infinite dilution among LiCl, NaCl and KCl is:
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. SHE acts as anode when connected with Cu electrode but cathode with Zn electrode because
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Which of the following statement is true about galvanic cell:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. Gold and silver are least reactive due to
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. Magnesium metal is extracted by the electrolysis of its:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Which of the following is a secondary cell:
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Normal aluminum electrode coupled with normal hydrogen electrode gives an emf of 1.66 volts and deflection of needle towards Hydrogen. The standard electrode potential of aluminum is:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. If the sum of Eo values of the two half cells is negative, then:
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. When an element is in contact with 1M aqueous solution of its own ions, at 298K then potential is called?
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Electrochemical series is useful in:
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. The ability of elements to act as reducing agent _________ down to electrochemical series
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Standard hydrogen electrode has an arbitrary fixed potential of:
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. If a strip of Cu-metals is placed in a solution of FeSO4 then
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Iron can be prevented from rusting by:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. The oxidation potential of Mg and Al are +2.37 and 1.66V, respectively. The Mg is chemical reaction:
A.
B.
C.
D.

Question 15 of 15


 

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