Test SeriesFree PYQsExamsPricing

JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

The correct sequence which shows decreasing order of the ionic radii of the elements is [AIEEE 2010]

Answer: (D)

Solution

and are isoelectronic species (all have 10 electrons), and for isoelectronic species, radius decreases as nuclear charge increases: O (Z = 8) < F (Z = 9) < Na (Z = 11) < Mg (Z = 12) < Al (Z = 13). This gives the

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-133126