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For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)?
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For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) Z...
1. Zn(s) ZnSO4 || matrix CuSO4 \\ 0.1M matrix |Cu(s)
At 298 K, Ecell|| for this cell can be calculated using the Nernst equation:
Ecell|| = ECu - EZn
= ECu - EZn° - (RT/nF)ln([Cu2+]/[Zn2+])
= 0 - (-0.76) - (0.0257/2)ln(0.1/1) = 0.648 V
2. Zn(s) ZnSO4 || matrix AgNO3 \\ 0.1M matrix |Ag(s)
At 298 K, Ecell|| for this cell can be calculated using the Nernst equation:
Ecell|| = EAg - EZn
= EAg - EZn° - (RT/nF)ln([Ag+]/[Zn2+])
= 0.80 - (-0.76) - (0.0257/2)ln(0.1/1) = 1.14 V
3. Cu| matrix CuSO4 \\ 0.1M matrix || matrix AgNO3 \\ 0.1M matrix | Ag(s)
This cell does not have Ecell|| equal to Ecell|| at 298 K.
4. Al(s) | matrix Al3+ \\ 0.1M matrix ||Cu2+ \\ 0.1M matrix |Cu(s)
At 298 K, Ecell|| for this cell can be calculated using the Nernst equation:
Ecell|| = ECu - EAl
= ECu - EAl° - (RT/nF)ln([Cu2+]/[Al3+])
= 0 - (-1.66) - (0.0257/3)ln(0.1/1) = 1.24 V
Therefore, the cell for option 4 has Ecell|| equal to Ecell|| at 298 K.
At 298 K, Ecell|| for this cell can be calculated using the Nernst equation:
Ecell|| = ECu - EZn
= ECu - EZn° - (RT/nF)ln([Cu2+]/[Zn2+])
= 0 - (-0.76) - (0.0257/2)ln(0.1/1) = 0.648 V
2. Zn(s) ZnSO4 || matrix AgNO3 \\ 0.1M matrix |Ag(s)
At 298 K, Ecell|| for this cell can be calculated using the Nernst equation:
Ecell|| = EAg - EZn
= EAg - EZn° - (RT/nF)ln([Ag+]/[Zn2+])
= 0.80 - (-0.76) - (0.0257/2)ln(0.1/1) = 1.14 V
3. Cu| matrix CuSO4 \\ 0.1M matrix || matrix AgNO3 \\ 0.1M matrix | Ag(s)
This cell does not have Ecell|| equal to Ecell|| at 298 K.
4. Al(s) | matrix Al3+ \\ 0.1M matrix ||Cu2+ \\ 0.1M matrix |Cu(s)
At 298 K, Ecell|| for this cell can be calculated using the Nernst equation:
Ecell|| = ECu - EAl
= ECu - EAl° - (RT/nF)ln([Cu2+]/[Al3+])
= 0 - (-1.66) - (0.0257/3)ln(0.1/1) = 1.24 V
Therefore, the cell for option 4 has Ecell|| equal to Ecell|| at 298 K.
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For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)?
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For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)?.
For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For which of the following cell, E ce || =E ce|| at 298 K? (1) Zn(s) ZnSO 4 || matrix CuSO 4 \\ 0.1M matrix |Cu(s) (2) Zn(s) ZnSO 4 || matrix AgNO 3 \\ 0.1M matrix |Ag(s) (3) Cu| matrix CuSO 4 \\ 0.1M matrix || matrix AgNO 3 \\ 0.1M matrix | Ag(s) 4) Al(s) | matrix Al^ +3 \\ 0.1M matrix ||Cu^ +2 \\ 0.1M matrix |Cu(s)?.
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