$$ \text { What is the major product }[Z] \text { formed when compound }[C] \text { undergoes the following reactions: } $$





500 mL of an aqueous solution of glucose $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6$ (Molar mass $180 \mathrm{gmol}^{-1}$ ) contains $6.02 \times 10^{22}$ molecules.
The concentration of the solution will be:
2.0 M
1.0 M
0.1 M
0.2 M
Identify the complex which exhibits all 3 characteristics; paramagnetic; high spin configuration; octahedral geometry
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2$
$\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_2\left(\mathrm{C}_2 \mathrm{O}_4\right)_2\right]^{2-}$
$\left[\mathrm{CO}\left(\mathrm{NH}_3\right)(\mathrm{Cl})(\mathrm{en})_2\right]^{2+}$
$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$
Identify the final product formed when benzenamine reacts with the given reagents in the sequential order as:
i. $\quad\left(\mathrm{CH}_3-\mathrm{CO}\right)_2 \mathrm{O} /$ Pyridine.
ii. Conc. $\mathrm{HNO}_3+\mathrm{H}_2 \mathrm{SO}_4$ \& then reacted with $\mathrm{H}_3 \mathrm{O}^{+}$
iii. $\quad \mathrm{NaNO}_2 \mathrm{HCl}(273 \mathrm{~K})$ \& then reacted with $\mathrm{H}_3 \mathrm{PO}_2(\mathrm{aq})$.
2- Chloro- 4-Nitrophenol
4-Chloro-2-Nitroaniline
Nitrobenzene
4-Nitrophenol
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