Q. The ionic mobility of alkali metal ions in aqueous solution is maximum for
A) $K^{+}$
B) $Rb^{+}$
C) $Li^{+}$
D) $Na^{+}$
Explanation
(b)
$Li^{+}$ is having largest hydrated ionic size while $Rb^{+}$ is having smallest.
Smaller the size, greater the mobility.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.