# ${\mathrm{E}}_{\mathrm{cell}}^{\mathrm{o}}$= 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) $\frac{2.303\mathrm{RT}}{2\mathrm{F}}{\mathrm{logK}}_{\mathrm{C}}=1.1$ (c) ${\mathrm{logK}}_{\mathrm{C}}=\frac{2.2}{0.059}$ (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 |
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The conductivity of an electrolytic solution depends on

a. Nature of the electrolyte

b. Concentration of the electrolyte

c. Power of AC source

d. Distance between the electrodes
The correct statements from the four statements given above are:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Conductance & Conductivity |
79%
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${\mathrm{\Lambda }}_{\mathrm{m}}^{°}{\mathrm{H}}_{2}\mathrm{O}$ can be represented by-

a.  ${{\Lambda }^{°}}_{m\left(\mathrm{HCl}\right)}+{{\Lambda }^{°}}_{m\left(\mathrm{NaOH}\right)}°-{\Lambda }_{m\left(\mathrm{NaCl}\right)}°$

b.  ${{\Lambda }^{°}}_{m\left({\mathrm{HNO}}_{3}\right)}+{{\Lambda }^{°}}_{m\left({\mathrm{NaNO}}_{3}\right)}-{\Lambda }_{m\left(\mathrm{NaOH}\right)}^{°}$

c.  ${{\Lambda }^{°}}_{m\left({\mathrm{HNO}}_{3}\right)}+{{\Lambda }^{°}}_{m\left(\mathrm{NaOH}\right)}-{\Lambda }_{m\left({\mathrm{NaNO}}_{3}\right)}^{°}$

d.  ${{\Lambda }^{°}}_{m\left({\mathrm{NH}}_{4}\mathrm{OH}\right)}+{{\Lambda }^{°}}_{\mathrm{m}\left(\mathrm{HCl}\right)}-{{\Lambda }^{°}}_{\mathrm{m}\left({\mathrm{NH}}_{4}\mathrm{Cl}\right)}$

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

Subtopic:   Kohlrausch Law & Cell Constant |
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What will happen during the electrolysis of an aqueous solution of CuSO4 by using platinum electrodes?

 (a) Copper will deposit at cathode (b) Copper will deposit at the anode (c) Oxygen will be released at the anode (d) Copper will dissolve at the anode

The correct choice among the given is -

 1 (a, b) 2 (b, c) 3 (c, d) 4 (a, c)
Subtopic:  Faraday’s Law of Electrolysis |
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What will happen during the electrolysis of aqueous solution of CuSO4 in the presence of Cu electrodes?

 (a) Copper will deposit at cathode (b) Copper will dissolve at anode (c) Oxygen will be released at anode (d) Copper will deposit at anode

The correct choice among the given is -

 1 (a, b) 2 (b, c) 3 (c, d) 4 (a, d)
Subtopic:  Electrolytic & Electrochemical Cell |
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The correct choice among the given regarding formula of Conductivity $\kappa$ is -

(a)  $\frac{1}{R}\frac{l}{A}$

(b)  $\frac{{G}^{*}}{R}$

(c)  ${\Lambda }_{m}$

(d)  $\frac{l}{A}$

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

Subtopic:  Conductance & Conductivity |
87%
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Molar conductivity of ionic solution depends on

 (a) Temperature (b) Distance between electrodes (c) Concentration of electrolytes in solution (d) Surface area of electrodes
The correct choice among the given is -

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

Subtopic:  Conductance & Conductivity |
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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   $$Mg + Cu^{2+} \rightarrow Mg^{2+} + Cu$$

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%
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Match the terms given in Column I with the units given in Column II.

 Column I Column II A. ${\Lambda }_{m}$ 1. S cm–1 B. Ecell 2. m–1 C. κ 3. S cm2 mol–1 D. G* 4. V

Codes:

 Options: A B C D 1. 3 4 1 2 2. 1 2 3 5 3. 5 4 3 2 4. 4 5 3 2

Subtopic:  Conductance & Conductivity |
90%
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Match the terms given in Column I with the items given in Column II.

 Column I Column II A. ${\Lambda }_{m}$ B. Eocell  C. $\kappa$ D. ${∆}_{r}$Gcell 1. Intensive property 2. Depends on number of ions/volume 3. Extensive property 4. Increases with dilution

Codes:

 Options: A B C D 1. 2 3 4 1 2. 1 2 3 5 3. 5 4 3 2 4. 4 1 2 3

Subtopic:  Conductance & Conductivity |
83%
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