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1st Year Chemistry Chapter 08 Electrochemistry MCQs Quiz Test

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If you are looking MCQs for 1st year Chapter Eight "Electrochemistry" MCQs Question Answers with solutions you are here on right website. On this Page you will learn Chapter Eight objective type solved Questions with solutions. All of these chapter wise first Year Chemistry question answers are helpful for upcoming exams and tests preparations. These MCQs are also helpful for entry tests.

Electrochemistry MCQs Quiz Test
First Year Chemistry Chapter Eight Electrochemistry Notes

You will learn in this Chapter:

  • Oxidation State and Balancing of Redox Equations
  • Electrolytic Conduction
  • Electrolytic Cells
  • Voltaic and Galvanic Cells
  • Electrode Potential
  • Electrochemical Series
  • Rechargeable Batteries
  • Non-Rechargeable Batteries


Q.1: Magnesium metal is extracted by the electrolysis of its?
  1. A concentrated aqueous solution of its chloride
  2. Dilute aqueous solution on of its chloride
  3. Its fused chloride
  4. Any solution
C
Q.2: Iron can be prevented from rusting by?
  1. Connecting iron to more electropositive metal, a case of cathodic protection
  2. Connecting iron to more electropositive metal, a case of anodic protection
  3. Connecting iron to less electropositive metal, a case of anodic protection
  4. Connecting iron to less electropositive metal, a case of cathodic protection
B
Q.3: Standard hydrogen electrode has an arbitrarily fixed potential of?
  1. 0 V
  2. 0.1 V
  3. 1.0 V
  4. 0.001 V
A
Q.4: The correct order of equivalent conductance at infinite dilution among LiCl, NaCl, and KCl is?
  1. LiCl > NaCl > KCl
  2. NaCl > KCl > LiCl
  3. KCl > NaCl > LiCl
  4. LiCl > KCl > NaCl
C
Q.5: Electrochemical series is useful in?
  1. Prediction of the feasibility of a chemical reaction
  2. Calculation of voltage
  3. Comparison of the relative tendencies of the metals and non-metals to get oxidized or reduced
  4. All of the above
D
Q.6: A normal aluminum electrode coupled with a normal hydrogen electrode gives an emf of 1.66 volts and deflection of the needle towards Hydrogen. The standard electrode potential of aluminum is?
  1. -1.66 V
  2. -0.83 V
  3. +1.66 V
  4. +0.83 V
A
Q.7: If the sum of Eo values of the two half cells is negative, then?
  1. The reaction will be feasible
  2. The reaction may or may not be feasible
  3. The reaction will not be feasible
  4. No prediction can be made
C
Q.8: Which of the following cell can convert chemical energy directly into electrical energy?
  1. Mercury cell
  2. Lead storage battery
  3. Daniel cell
  4. Fuel cell
D
Q.9: In a galvanic cell, the electrode occupying a lower position in the electrochemical series?
  1. Will act as a cathode
  2. The reduction will take place on it
  3. Oxidation will take place on it
  4. Both a and b
D
Q.10: Which of the following statement is true about galvanic cell?
  1. The anode is positively charged
  2. The cathode is positively charged
  3. Reduction occurs at the anode
  4. Reduction occurs at the cathode
D
Q.11: Greater the value of the standard reduction potential of the given species?
  1. Greater is its tendency to accept electrons to undergo reduction
  2. Greater is its tendency to accept electrons to undergo oxidation
  3. Greater is its tendency to lose electrons to undergo reduction
  4. Greater is its tendency to lose electrons to undergo oxidation
A
Q.12: Coinage metals have the least reactivity because they have?
  1. Positive oxidation potentials
  2. Zero oxidation potentials
  3. Positive reduction potentials
  4. Zero reduction potentials
C
Q.13: Which of the following is a secondary cell?
  1. Dry cell
  2. Ni-Cd cell
  3. Mercury cell
  4. Alkali cell
B
Q.14: Four metals A, B, C, and D are having standard electrode potential as -3.05, -1.66, -0.4, and 0.8V respectively. Which one will be the best reducing agent?
  1. A
  2. B
  3. C
  4. D
A
Q.15: The oxidation potential of Mg and Al are +2.37 and 1.66V, respectively. The Mg is a chemical reaction?
  1. Will be replaced by Al
  2. Won’t be able to replace Al
  3. Will replace Al
  4. None of the above
C
Q.16: Which can replace hydrogen from dilute acids?
  1. Au
  2. Zn
  3. Pt
  4. None of these
B
Q.17: The oxidation state of carbon-atom in glucose is?
  1. +4
  2. +6
  3. -4
  4. None of these
D
Q.18: The cell in which electrical energy is converted into chemical energy is?
  1. Galvanic cell
  2. Electrolytic cell
  3. Voltaic cell
  4. All of these
B
Q.19: The ability of elements to act as reducing agent --------- down to electrochemical series.?
  1. Increases
  2. Remain constant
  3. Decreases
  4. Depends upon the reaction conditions
C
Q.20: If a strip of Cu-metals is placed in a solution of FeSO4 then?
  1. Cu will be deposited
  2. Cu and Fe both dissolve
  3. Fe is precipitated
  4. No reaction occur
D
Q.21: “Al” metal is extracted from its -------- during electrolysis.?
  1. Chlorides
  2. Cryolite
  3. Oxides
  4. All of these
C
Q.22: Halogens are placed at the lower level of electrochemical series, this indicates that?
  1. Halogens are good reducing agents
  2. Halogens are an oxidizing agent but bad reducing agents
  3. Halogens are good oxidizing agent as well as good reducing agents
  4. All the above statements are correct
B
Q.23: The electrolysis product of molten NaCl at electrodes?
  1. Na and Cl2
  2. Na and NaOH
  3. H2 and Cl2
  4. H2, Cl2, and NaOH
A
Q.24: SHE acts as an anode when connected with Cu electrode but cathode with Zn electrode because?
  1. Zn has less reduction potential than hydrogen and Cu more
  2. Zn has less oxidizing potential than hydrogen and Cu more
  3. Zn is above in electrochemical series than hydrogen and Cu below
  4. All the above are possible reasons
A
Q.25: When an element is in contact with 1M aqueous solution of its own ions, at 298K then the potential is called?
  1. Standard reduction potential
  2. Reduction potential
  3. Standard electrode potential
  4. Both a and c
D
Q.26: Gold and silver are the least reactive due to?
  1. Positive oxidation potential
  2. Zero oxidation potential
  3. Positive reduction potential
  4. Having a large negative electrode potential
C
Q.27: During the electrolysis of aqueous KNO3, H2 is produced at cathode instead of potassium due to?
  1. The reduction potential of K is greater than hydrogen
  2. Hydrogen is more reactive than potassium
  3. The reduction potential of potassium is less than hydrogen
  4. All of the above are possible reasons
C
Q.28: Which of the following statement is correct?
  1. Zn can replace Cu2+ in CuSO4
  2. Cu can replace H+ in H2SO4
  3. Cu can replace Zn2+ in ZnSO4
  4. None of these
A
Q.29: In a reaction Zn + HNO3 → Zn(NO3)2 + NO + H2O?
  1. Zn is reduced
  2. N is oxidized
  3. N is reduced
  4. Hydrogen is reduced
C
Q.30: Which one metal shows the maximum oxidation state?
  1. Mn
  2. Ag
  3. Cr
  4. Hg
A
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