electrochemistry

Related Questions

• $Z{{n}^{2+}}+2{{e}^{-}}\to Zn(s);\,{{E}^{0}}=-0.76$; $F{{e}^{3+}}+{{e}^{-}}\to F{{e}^{2+}};\,{{E}^{0}}=-0.77$; $C{{r}^{3+}}+3{{e}^{-}}\to Cr;\,{{E}^{0}}=-0.79$; ${{H}^{+}}+2{{e}^{-}}\to 1/2{{H}_{2}};\,{{E}^{0}}=0.00$; Strongest reducing agent is

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• Which of the following has highest electrode potential

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• The standard potential at ${{25}^{o}}C$ for the following half reactions are given against them $Z{{n}^{2+}}+2{{e}^{-}}\to Zn,\,{{E}^{0}}=-0.762V$ $M{{g}^{2+}}+2{{e}^{-}}\to Mg,\,{{E}^{0}}=-2.37V$ When zinc dust is added to the solution of $MgC{{l}_{2}}$

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• On passing $C$ Ampere of electricity through a electrolyte solution for $t$ second, $m$ gram metal deposits on cathode. The equivalent weight $E$ of the metal is

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• In corrosion of iron

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