Physical Chemistry - Electrochemistry

Download Q&A
Q. In a concentration cell, the electrodes are made of: (2020)
  • A. Different metals
  • B. Same metal but different concentrations
  • C. Same metal and same concentration
  • D. Different electrolytes
Q. In a concentration cell, the two half-cells have: (2019)
  • A. Different electrodes
  • B. Same electrodes but different concentrations
  • C. Same concentrations
  • D. Different temperatures
Q. In an electrochemical cell, the anode is where: (2019)
  • A. Oxidation occurs
  • B. Reduction occurs
  • C. Electrons are gained
  • D. Ions are produced
Q. In electrolysis, the process of oxidation occurs at which electrode? (2019)
  • A. Anode
  • B. Cathode
  • C. Both electrodes
  • D. None of the above
Q. The electrochemical series is a list of elements arranged according to their: (2022)
  • A. Atomic mass
  • B. Electronegativity
  • C. Standard electrode potentials
  • D. Ionization energy
Q. The electrochemical series is a list of: (2023)
  • A. Reactions
  • B. Electrodes arranged by standard electrode potential
  • C. Ionic compounds
  • D. Gases
Q. The Faraday's first law of electrolysis states that: (2018)
  • A. The mass of substance deposited is directly proportional to the current
  • B. The voltage is directly proportional to the current
  • C. The energy is conserved
  • D. The temperature remains constant
Q. What is the effect of increasing temperature on the conductivity of an electrolyte solution? (2019)
  • A. Increases conductivity
  • B. Decreases conductivity
  • C. No effect
  • D. Depends on the electrolyte
Q. Which of the following ions is a common spectator ion in electrochemical reactions? (2020)
  • A. Na+
  • B. Cl-
  • C. Ag+
  • D. Cu2+
Q. Which of the following ions is commonly used as a reference electrode? (2020)
  • A. Ag+
  • B. Cl-
  • C. K+
  • D. Hg2+
Q. Which of the following ions is commonly used in a salt bridge? (2020)
  • A. Na+
  • B. Cl-
  • C. K+
  • D. Ca2+
Q. Which of the following is a characteristic of a reversible cell? (2019)
  • A. It can be recharged
  • B. It cannot be recharged
  • C. It has a fixed voltage
  • D. It operates at constant temperature
Q. Which of the following metals has the highest standard reduction potential? (2019)
  • A. Gold
  • B. Silver
  • C. Copper
  • D. Zinc
Q. Which of the following statements is true about a galvanic cell? (2020)
  • A. It converts chemical energy to electrical energy
  • B. It requires an external power source
  • C. It is always non-spontaneous
  • D. It operates at constant temperature only
Q. Which of the following statements is true for a galvanic cell? (2020)
  • A. It converts chemical energy to electrical energy
  • B. It requires an external power source
  • C. It is always non-spontaneous
  • D. It operates at constant temperature only
Showing 1 to 15 of 15 (1 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely