(a) Will the pH of water be same at 4°C and 25°C'? Justify your answer. (b) Two students use the same stock solutio

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Q 2610123010.     (a) Will the pH of water be same at 4°C and 25°C'? Justify your answer.

(b) Two students use the same stock solution of ZnSO_4, to make Daniell cells in the laboratory with Cu as positive electrode. The emf of one cell is 0.03 V higher than the other. The concentration of CuSO_4, in the cell with higher emf value is 0.5 M. Find out the concentration of CuSO_4 in the other cell (Given 2.203 RT/F = 0.06).
JEE 2003 Mains

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