S Block Elements Question 233
Question: Which of the following is the smallest cation
[MP PMT 1993]
Options:
A) $ N{{a}^{+}} $
B) $ M{{g}^{+2}} $
C) $ C{{a}^{+2}} $
D) $ A{{l}^{+3}} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ C{{a}^{+2}}>\ N{{a}^{+}}\ >\ M{{g}^{+2}}\ >\ A{{l}^{+3}} $