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
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Major products of the following reaction are
$C$ is
→Electrode potentials of five elements $A,\,B,\,C,\,D$ and $E$ are respectively $-1.36 , -0.32, 0, -1.26$ and $ -0.42$. The reactivity order of these elements are in the order of
→The melting point of $AlF_3$ is $104\,^oC$ and that of $SiF_4$ is $- 77\,^oC$ (it sublimes) because
→$12\,g$ of $Mg$ (at. mass $24$) on reacting completely with acid gives hydrogen gas, the volume of which at $STP$ would be ............... $\mathrm{L}$
→The most stable resonating structure is
Product is
Which of the following expressions gives the de-Broglie relationship
Which of the following compounds will form hydrocarbon on reaction with Grignard reagent ?
The compound which does not react with sodium is