In a galvanic cell, the flow of electrons is:
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37%
A) From cathode to anode
52%
B) From anode to cathode
9%
C) From salt bridge to electrode
2%
D) From cathode to salt bridge
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The cell reaction of Daniell Cell is:
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67%
A) Zn(s) + CuΒ²βΊ(aq) β ZnΒ²βΊ(aq) + Cu(s)
22%
B) Cu(s) + ZnΒ²βΊ(aq) β CuΒ²βΊ(aq) + Zn(s)
8%
C) ZnΒ²βΊ + CuΒ²βΊ β Zn + Cu
4%
D) None of these
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Which of the following represents standard electrode potential correctly?
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11%
A) Measured at 0Β°C
22%
B) Electrode dipped in 0.1 M solution
36%
C) Measured against standard hydrogen electrode
32%
D) Electrode potential at 273 K
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EΒ°cell is positive for:
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31%
A) Non-spontaneous reactions
22%
B) Equilibrium state
40%
C) Spontaneous cell reactions
6%
D) Endothermic reactions
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The value of ΞGΒ° becomes zero when:
Anonymous Quiz
53%
A) EΒ°cell = 0
9%
B) Q = 1
7%
C) K = 1
31%
D) Cell is at equilibrium
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The emf of a cell is 1.1 V. If 2 moles of electrons are transferred in the cell reaction, the ΞGΒ° will be:
(Use F = 96500 C/mol)
(Use F = 96500 C/mol)
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36%
A) β212.3 kJ
37%
B) β211.3 kJ
23%
C) β220.0 kJ
5%
D) β200.0 kJ
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In electrolysis of molten NaCl, which of the following is liberated at the cathode?
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51%
A) Clβ
38%
B) Na
10%
C) Hβ
2%
D) Oβ
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