Which of the following is/are the correct order of ionic mobility ?
(1) `Li^+ lt Na^+ lt K^+`
(2) `Na^+ lt Mg^(2+) lt Al^(3+)`
(3) `Al^(3+) lt Mg^(2+) lt Na^(2+)`
(4) `Li^+ lt Na^+ lt K^+`

Answer

(1) (3)