MCQ
Arrange the following elements in order of their increasing ionization energies $\ce{O, S, Se, Te, Po}.$
- A$\ce{Se, Te, S, Po, O}$
- B$\ce{O, S, Se, Te, Po}$
- ✓$\ce{Po, Te, Se, S, O}$
- D$\ce{Te, O, S, Po, Se}$
✓
Answer
Correct option: C.
$\ce{Po, Te, Se, S, O}$
Ionization energy decreases from top to bottom in a group due to increase in the size of atom.Due to increase in size of atom its ionization energy decreases from top to bottom,
So increasing order will be $\ce{Po}$
So increasing order will be $\ce{Po}$
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