AIIMS2000Chemistry-Electrochemistry
AIIMS 2000 Chemistry Conductivity MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which of the following ions in aqueous solution is the best conductor of electricity?
A
Li⁺
B
Na⁺
C
Mg²⁺
D
Cs⁺
Correct Answer
Option D
Detailed Explanation
Cs⁺ has the largest ionic radius among the given ions, resulting in lower hydration energy and higher mobility in solution, making it the best conductor.
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