MCQ
Of the following sets which one does NOT contain isoelectronic species
- A$PO_4^{3 - },\,SO_4^{2 - },\,ClO_4^ - $
- B$C{N^ - },\,{N_2},\,C_2^{2 - }$
- ✓$SO_3^{2 - },\,CO_3^{2 - },\,NO_3^ - $
- D$BO_3^{3 - },\,CO_3^{2 - },\,NO_3^ - $
✓
Answer
Correct option: C.
$SO_3^{2 - },\,CO_3^{2 - },\,NO_3^ - $
(c) $SO_4^{2 - }$ has $42$ electrons; $CO_3^{2 - }$ has $32$ electrons; $NO_3^ - $ has $32$ electrons.
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
Number of isomeric products formed by monochlorination of $2$-methylbutane in presence of sunlight is_______.
→Etard reaction in the following is :
How many structures of $F$ is possible
→Cycloalkanes are isomeric with:
At ${30\,^o}C,$ the solubility of $A{g_2}C{O_3}\,({K_{sp}} = 8 \times {10^{ - 12}})$ would be greatest in one litre of
→What is the major product of the following reaction ?
→$\begin{array}{*{20}{c}}
{C{H_2} = CHC{H_2}CHC{H_3} + KOH\xrightarrow[{heat}]{{{\text{alcohol}}}}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{Br\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
In a balanced equation ${H_2}S{O_4} + x\,HI \to {H_2}S + y\,{I_2} + z\,{H_2}O$, the values of $ x, y, z$ are
→Which of following has highest $EA$
→The correct IUPAC name of given compound
→$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{C{H_3}C{H_2} - O - C - C{H_2} - C - OH} \\
{||\,\,\,\,\,} \\
{O\,\,\,\,\,\,}
\end{array}$
The reaction
→$A + B$ $\rightleftharpoons$ $C + D$ + heat
has reached equilibrium. The reaction may be made to proceed forward by