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Electrochemistry

Short Answer Type

231. Which factor makes secondary cells more acceptable as a source of power?

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232. Write Nernst equation for single electrode potential.

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233. Why is the equilibrium constant k related to only E°_cell and not E_cell.

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234. How does the molar conductivity of KCl solution vary with increasing concentration?

Strong electrolytes: The molar conductivity of a strong electrolyte decreases slightly with the increase in concentration. This decrease is due to the increase in interionic attractions as a result of greater numbr of ions per unit volume. With dilution, the ions are far apart, inter ionic attractions become weaker and conductance increases

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