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Electrochemistry Challenge
JEE Chemistry • 10 questions • Free on ExamBattle
Practice Questions
Q1
The Nernst equation at 25°C for a cell is E = E° − (0.0591/n) log Q. The factor 0.0591 has units of:
- A. Ampere
- B. Volt
- C. Joule
- D. No units
Q2
In electrolysis, reduction occurs at the:
- A. Anode
- B. Cathode
- C. Both electrodes
- D. Electrolyte
Q3
According to Faraday's first law, the mass deposited is proportional to:
- A. Voltage
- B. Quantity of charge passed
- C. Temperature
- D. Concentration
Q4
The standard electrode potential of SHE is:
- A. 1 V
- B. 0 V
- C. -1 V
- D. 0.5 V
Q5
Molar conductivity at infinite dilution can be obtained for weak electrolytes using:
- A. Direct measurement
- B. Kohlrausch's law
- C. Faraday's law
- D. Nernst equation
Q6
The EMF of a Daniell cell (Zn-Cu) under standard conditions is approximately:
- A. 0.34 V
- B. 1.10 V
- C. 0.76 V
- D. 2.20 V
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