Given Eo
Fe3+/Fe = –0.036 V, Eo
Fe2+/Fe = –0.439 V.
The value of standard electrode potential for the change,
Fe3+(aq) + e– → Fe2+ will be
Given Eo
Fe3+/Fe = –0.036 V, Eo
Fe2+/Fe = –0.439 V.
The value of standard electrode potential for the change,
Fe3+(aq) + e– → Fe2+ will be
Hydrogen gas is not liberated when the following metal is added to dil. HCl. |
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Electrolysis of dilute aqueous NaCl solution was carried out by passing 10 milliampere current. The time required to liberate 0.01 mol of H2 gas at the cathode is (1 Faraday = 96500 C mol–1) |
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Given Eo the potential for the cell Cr / Cr3+ (0.1 M) || Fe2+ (0.01 M) | Fe is |
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The one which decreases with dilution is |
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