JEE Main Chemistry question

A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

Configuration (A) is magnesium (): its two valence electrons are removed at comparable, relatively low energies (IE1, IE2), but the third ionisation would require breaking into the very stable, completely filled neon-like core, causing a sudden large jump

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-133261