STANDARDChemistry-Electrochemistry
STANDARD Chemistry Faraday's Laws of Electrolysis MCQ Question
Type: MCQ-numerical-Medium-Class 12
The quantity of charge required to obtain one mole of aluminium from Al₂O₃ is
A
1 F
B
6 F
C
3 F
D
2 F
Correct Answer
Option C
Detailed Explanation
The reduction of Al³⁺ to Al requires 3 moles of electrons per mole of Al, hence 3 Faradays of charge are needed.
Found an issue with this question?
Related Questions
More from Electrochemistry
Calculate the emf of the cell in which of the following reaction takes place Ni(s) + 2Ag⁺(0.002M) ⟶ Ni²⁺(0.160M) + 2Ag(s) Given that E°cell = 1.05V
2018Chemistry
The molar conductance of NaCl, HCl and CH₃COONa at infinite dilution are 126.45, 426.16 and 91.0 S cm² mol⁻¹ respectively. The molar conductance of CH...
2021Chemistry
The molar conductivity of 0.007 M acetic acid is 20 S cm² mol⁻¹. What is the dissociation constant of acetic acid? Choose the correct option. [Λ°_H⁺ =...
2021Chemistry