electrochemistry

Related Questions

• When a molten ionic hydride is electrolysed

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• What is the standard cell potential for the cell $Zn/Z{{n}^{2+}}(1M)||C{{u}^{2+}}(1M)/Cu$ ${{E}^{0}}$ for $Zn/Z{{n}^{2+}}(1M)=-0.76\,V$ and $C{{u}^{2+}}/Cu=+0.34\,V$

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• Chromium metal can be plated out from an acidic solution containing $Cr{{O}_{3}}$ according to the following equation (atomic weight of $Cr = 52$). $Cr{{O}_{3}}(g)+6{{H}^{+}}+6e\to Cr(s)+3{{H}_{2}}O$, How many grams of chromium will be plated by 22400 C

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• Same quantity of current is passed through molten $NaCl$ and molten cryolite containing $A{{l}_{2}}{{O}_{3}}$. If 4.6 g of sodium were liberated in one cell, the mass of aluminium liberated in other cell was

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• Calculate standard free energy change for the reaction $\frac{1}{2}Cu\,(s)+\frac{1}{2}C{{l}_{2}}(g)$ ? $\frac{1}{2}C{{u}^{2+}}+C{{l}^{-}}$ taking place at ${{25}^{o}}C$ in a cell whose standard emf is 1.02 volts

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