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Structure and Working of Standard Hydrogen Electrode Notes Chapter 3 Electrochemistry Chemistry Class 12 NCERT

Structure and Working of Standard Hydrogen Electrode chapter 3 can study by students of class 12. These definitiona and formulas of Class 12 Chemistry Chapter 3: Electrochemistry is developed and witten by our expert teachers. Chemistry formulas. Structure and Working of Standard Hydrogen Electrode is prepapred and collected from varius resources to help the students.

Q-8 Draw the structure and working of standard hydrogen electrode?
The standard hydrogen electrode consists of a platinum electrode coated with platinum black. The electrode is dipped in an acidic solution and pure hydrogen gas is bubbled through it.
H+ (aq) + e →1/2H2(g)
The concentration of both the reduced and oxidised forms of hydrogen is maintained at unity (Fig. 3.3). This implies that the pressure of hydrogen gas is one bar and the concentration of hydrogen ion in the solution is one molar.
standard hydrogen electrode
Above half-cell called standard hydrogen electrode (Fig.3.3) represented by Pt(s)| H2(g) |H+(aq), is assigned a zero potential at all temperatures corresponding to the reaction.

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