Which of the following statements is true for a cell, `Pt

1.	Which of the following statements is true for a cell, `Pt \| H_(2 (g)) \| H^(+) \|\| Cu^(2+) \| Cu` ?A. Reduction occurs at `H_(2)` electrodeB. `H_(2)` is cathode and Cu is anodeC. `H_(2)` is anode and `Cu` is cathodeD. Oxidation occurs at Cu electrode
Answer» Correct Answer - C `H_(2)` is anode and Cu is cathode .

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Define molar conductivity of a solution and explain how molar conductivity changes with change in concentration of a solution for a weak and a strong electrolyte.
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Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V` `Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`A. `Br^(-) lt Fe^(2+) lt Al`B. `Fe^(2+) lt Al lt Br^(-)`C. `Al lt Br^(-) lt Fe^(2+)`D. `Al lt Fe^(2+) lt Br^(-)`
Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V` `Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`A. `Br^(-) lt Fe^(2+) lt Al`B. `Fe^(2+) lt Al lt Br^-`C. `Al lt Br^(-) lt Fe^(2+)`D. `Al lt Fe^(2+) lt Br^(-)`
What are elementary reactions ?

Which of the following statements is true for a cell, `Pt | H_(2 (g)) | H^(+) || Cu^(2+) | Cu` ?A. Reduction occurs at `H_(2)` electrodeB. `H_(2)` is cathode and Cu is anodeC. `H_(2)` is anode and `Cu` is cathodeD. Oxidation occurs at Cu electrode

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