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Solutions of two electrolytes 'A' and 'B' are diluted. The Lambda_(m)of 'B' increases 1.5 times while that of A increases 25 times. Which of the two is a strong electrolyte ? Justify your answer. |
| Answer» Solution : Electrolyte B is strong as on DILUTION, the NUMBER of ions remains the same. Only the interionic attraction decreases. THEREFORE the increase in `Lambda_(m)`is small. However in case of A, which is a weak electrolyte, dilution increases the ionization. Therefore `Lambda_(m)`increases much more. | |