Classification Of Elements And Periodicity In Properties Ques 49
Question: Which of the following alkali metal ions has lowest ionic mobility in aqueous solutions [DPMT 2004]
Options:
A) $ R{{b}^{+}} $
B) $ C{{s}^{+}} $
C) $ L{{i}^{+}} $
D) $ N{{a}^{+}} $
Show Answer
Answer:
Correct Answer: C
Solution:
As we know that hydration power decreases on moving down the group hence among alkali metals Li has excessive hydration & hence it has low mobility in aqeous solution.
