Classification Of Elements And Periodicity In Properties Question 152

Question: The correct order of radii is [IIT-JEE (Screening) 2000]

Options:

A) $ N<Be<B $

B) $ {{F}^{-}}<{{O}^{2-}}<{{N}^{3-}} $

C) $ Na<Li<K $

D) $ F{{e}^{3+}}<F{{e}^{2+}}<F{{e}^{4+}} $

Show Answer

Answer:

Correct Answer: B

Solution:

Ionic radii decreases significantly from left to right in a period among representative elements.