MCQ
The correct statements is / are
- A$IE_1$ of $In > IE_1$ of $Al$
- BOut of $Na^\oplus $ and $Al^{3+} Na^\oplus$ has largest size in aqueous solution
- ✓${NO^-}_2$ and $O_3$ are isoelectronic species
- DThe decreasing order of $E.A.$ is $F > Cl > Br$
✓
Answer
Correct option: C.
${NO^-}_2$ and $O_3$ are isoelectronic species
c
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