Resistivity of ElectrolytesHardQuestion 31691
Question
Resistivity of an electrolyte solution decreases as temperature increases because:
- AIons slow down at higher T
- BViscosity decreases and ionic mobility increases with TCorrect
- CNumber of ions decreases
- DSolution freezes
Correct answer
Viscosity decreases and ionic mobility increases with T
Explanation
Higher temperature reduces solution viscosity, allowing ions to move more freely. Unlike metals, electrolytes conduct better at higher temperatures.