Question

Which one of the following elements has the highest ionisation energy?

Solution

Correct option is

Since, e is to be removed from exactly half-filled p-orbital.

SIMILAR QUESTIONS

Q1

The correct order of radii is

Q2

The correct order of ionic radius is

Q3

The bond length or LiF will be

Q4

The ionic radius of ‘Cr’ is minimum in which of the following compounds?

Q5

The incorrect statement among the following is

Q6

Which ionisation potential (IP) in the following equations involves the greater amount of energy?

Q7

The first four ionisation energy values of an element are 191, 578, 872 and 5962 kcal. The number of valence electrons in the element is

Q8

In the Periodic Table, going down in the fluorine group

Q9

The Ist IEs of four consecutive elements present in the second period of Periodic Table are 8.3, 11.3, 14.5 and 13.6 eV respectively. Which of these is the IE of nitrogen?   

Q10

Which of the following transition involves maximum amount of energy?