MCQ
Which of the following ions are diamagnetic ?
- A$Cr^{+3}$
- B$Fe^{+3}$
- ✓$Zn^{+2}$
- D$Mn^{+2}$
✓
Answer
Correct option: C.
$Zn^{+2}$
c
Ions are diamagnetic if all the electrons are paired in their electronic configuration.
Ions are diamagnetic if all the electrons are paired in their electronic configuration.
Electronic configuration: $Zn ^{2+}=[ Ar ] 3 d ^{10}$
All electrons are paired hence $Zn ^{2+}$ is diamagnetic.
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