How would you determine the standard electrode potential of the systemMg2+ | Mg? Chapter 3: Electrochemistry Chemistry Class 12 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. Question 3.1: How would you determine the standard electrode potential of the systemMg2+ | Mg? is solved by our expert teachers. You can get ncert solutions and notes for class 12 chapter 3 absolutely free. NCERT Solutions for class 12 Chemistry Chapter 3: Electrochemistry is very essencial for getting good marks in CBSE Board examinations
Question 3.1: How would you determine the standard electrode potential of the systemMg2+ | Mg?
Answer:Use standard hydrogen electrode as anode and Mg2+ | Mg as a cathode we can measure the standard electrode potential of systemMg2+ | Mg. Standard hydrogen electrode, represented by Pt(s), H2(g) (1 atm) | H+ (aq) and dip the electrode of Magnesium wire in a 1M MgSO4 solution .The standard hydrogen electrode is always zero.
Use formula
E°cell = E° right – E°left
The standard hydrogen electrode is always zero.
So that the value of
E°left =0
Hence
E°cell = E° Mg|Mg2+
Or
E° Mg|Mg2+= E°cell
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