Solid State Question 192

Question: Which one of the following is the biggest ion

[MP PET 1993]

Options:

A) $ A{{l}^{+3}} $

B) $ B{{a}^{+2}} $

C) $ M{{g}^{+2}} $

D) $ N{{a}^{+}} $

Show Answer

Answer:

Correct Answer: B

Solution:

Cationic radius increases down the group and decreases along the period.