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Electrochemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryElectrochemistry1 Mark
MCQ
For the given cell, $\text{Mg}|\text{Mg}^{2+}||\text{Cu}^{2+}|\text{Cu}:$
  • A
    Mg is cathode.
  • B
    Cu is cathode.
  • C
    The cell reaction is $\text{Mg}+\text{Cu}^{2+}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ }\text{Mg}^{2+}+\text{Cu}$
  • D
    Cu is the oxidising agent.
✓

Answer

  1. Cu is cathode.
  2. The cell reaction is $\text{Mg}+\text{Cu}^{2+}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ }\text{Mg}^{2+}+\text{Cu}$

Explanation:

Left side of the cell represent oxidation half-cell and right side represent reduction half-cell.

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