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Q. No.The standard reduction potentials of \(\mathrm{Cu}^{2+} \mid \mathrm{Cu} \text { and } \mathrm{Cu}^{2+} \mid \mathrm{Cu}^{+}\) are 0.337 V and 0.153V respectively. The standard electrode potential of Cu+|Cu half cell is:
1. 0.184 V
2. 0.827 V
3. 0.521 V
4. 0.490 V
1. 0.184 V
2. 0.827 V
3. 0.521 V
4. 0.490 V
Subtopic: Electrolytic & Electrochemical Cell |
From NCERT
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When 50% \(H_2SO_4\) solution is electrolysed using inert electrodes, the products formed at anode and cathode, respectively, are
1. \(H_2 ~and ~O_2\)
2. \(O_2 ~and~H_2O_2\)
3. \(H_2O_2 ~and~ H_2\)
4. \(O_2 ~and ~H_2\)
1. \(H_2 ~and ~O_2\)
2. \(O_2 ~and~H_2O_2\)
3. \(H_2O_2 ~and~ H_2\)
4. \(O_2 ~and ~H_2\)
Subtopic: Electrolytic & Electrochemical Cell |
From NCERT
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Q. No.
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