QUESTION

Q59) Of the following, the ion with the smallest ionic radius is ... [ MP CEE 1996]

Q59) Of the following, the ion with the smallest ionic radius is ... [ MP CEE 1996]

SOLUTION

K+, Ca2+ and Ti+4 are isoelectronic . Size decreases with increase in positive charge. Also Ti+3 have smaller positive change than Ti4+. Therefore Ti+4 has the smallest size

Answer: ()