The electrode potential for Mg electrode varies according to the equation

\(E_{Mg^{2+}/Mg}\ = \ E_{Mg^{2+}/Mg}^{o} \ - \ \frac{0.059}{2}log\frac{1}{[Mg^{2+}]}\)

The graph of EMg2+ / Mg vs log [Mg2+] among the following is:

1.    2.  
3.    4.  
Subtopic:  Nernst Equation |
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Ecello= 1.1 V for Daniel cell. Which of the following expressions are correct descriptions of the state of equilibrium in this cell?

a. 1.1 = KC

b. 2.303RT2FlogKC=1.1

c. logKC=2.20.059

d. log KC = 1.1

The correct choice among the given is -

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, d)

Subtopic:  Nernst Equation |
 85%
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For the given cell, Mg | Mg2+ || Cu2+ | Cu

a.  Mg acts as cathode

b.  Cu acts as cathode

c.  The cell reaction is Mg+ Cu2+ —-> Mg2+ + Cu

d.  Cu is the oxidising agent

The correct choice among the given is - 


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Electrolytic & Electrochemical Cell | Nernst Equation |
 74%
From NCERT
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