electrochemistry

Related Questions

• The density of copper is $8.94 g-mL^{–1}$. Find the charge needed to plate an area of $10 \times 10 cm^2$ to thickness of $10^{–2}$ cm using a $CuS{{O}_{4}}$ solution as electrolyte (atomic weight of $Cu = 63.6$)

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• A standard hydrogen electrode has zero electrode potential because

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• A solution containing ${{H}^{+}}$ and ${{D}^{+}}$ ions is in equilibrium with a mixture of ${{H}_{2}}$ and ${{D}_{2}}$ gases at ${{25}^{o}}C$. If the partial pressures of both the gases are 1.0 atm, calculate the ratio $[{{D}^{+}}]/[{{H}^{+}}]$ $(E_{{{D}^{+}}/D}^{0}=-0.003V)$

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• Electrolyte can conduct electricity because

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• Following are some of the facts about dry cell I : It is also called Leclanche cell II : It is also called Daniel cell III : electrolyte is a moist paste of $N{{H}_{4}}Cl$ and $ZnC{{l}_{2}}$ in starch IV : cathodic reaction is $2Mn{{O}_{2}}(s)+2NH_{4}^{+}(aq)+2{{e}^{-}}\to M{{n}_{2}}{{O}_{3}}(s)+2N{{H}_{3}}(g)+{{H}_{2\,}}O\,(l)$ Select correct facts

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