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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