
- A$LiAlH_4$
- B$NaBH_4$
- C$H_2/Pd$
- ✓$B_2H_6$


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$\left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+}, \quad\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-} \text {, }$
$(A)$ $(B)$
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{H}_2 \mathrm{O}\right)\right]^{3+}, \quad\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_4\right]^{2+}$
$(C)$ $(D)$
The correct order of $A$, $B$, $C$ and $D$ in terms of wavenumber of light absorbed is :
${{C}_{3}}{{H}_{7}}OH\underset{160-{{180}\,^{o}}C}{\mathop{\xrightarrow{Conc.{{H}_{2}}S{{O}_{4}}}}}\,X\underset{{}}{\mathop{\xrightarrow{B{{r}_{2}}}}}\,Y\underset{Alc.KOH}{\mathop{\xrightarrow{\text{Excess of}}}}\,Z$
|
List $-I$ (Ion involved) |
List $-II$ (agent) |
| $(i)\, Ni^{2+}$ | $(A)$ Sodium thiosulphate |
| $(ii)\, Ag^+$ | $(B)$ Sodium nitroprusside |
| $(iii)\, Cu^{2+}$ | $(C)$ Ammonia |
| $(iv)\,S^{2-}$ | $(D)$ Dimethylglyoxime |
$(i)\,\,\,-\,\,\,(ii)\,\,\,-\,\,\,(iii)\,\,\,-\,\,\,(iv)$