MCQ
Which position will be attacked most rapidly by the nitronium ion $(-NO_2)^+$ when the compound undergoes nitration with $HNO_3 /H_2SO_4$


- A$A$
- B$B$
- C$C$
- ✓$D$

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$STATEMENT-2$: Reaction of glucose with Fehling's solution gives $\mathrm{CuO}$ and gluconic acid.


| List I (Complex) | List $II$ (Type of isomerism) |
| $A$. $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{NO}_2\right)\right] \mathrm{Cl}_2$ | $I$. Solvate isomerism |
| $B$. $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{SO}_4\right)\right] \mathrm{Br}$ | $II$. Linkage isomerism |
| $C$. $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]\left[\mathrm{Cr}(\mathrm{CN})_6\right]$ | $III$. Ionization isomerism |
| $D$. $\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3$ | $IV$. Coordination isomerism |
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