1.

Which of the following ions in aqueous solution is the best conductor of electricity?(a) Li+(b) Na+(c) Mg2+(d) Cs+

Answer»

Correct option (d) Cs+

Explanation:

As small compact cations are solvated more in the solution which causes their ionic mobility to slow down. Li+, Mg2+ and Na+ are heavily solvated, so these have lesser ionic mobility.



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