MCQ
Consider the following sequence of reaction $A, B, C$ are
- ✓Benzene, Nitrobenzene and Aniline
- BBenzene, Di-nitrobenzene and m-nitro aniline
- CBenzene, Nitrobenzene and azoxy benzene
- DBenzene, Nitrobenzene and Hydrazobenzene
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Reason $R : I^{-1}$ is a good nucleophile as well as a good leaving group.
In the light of the above statements, choose the correct answer from the options given below.
| Column $I$ | Column $II$ |
| $(a)$ For electrolyte $CaSO_4$ | $(i) \ i = 5$ |
| $(b)$ For ideal Solution | $(ii) \ i = 2$ |
| $(c)$ For electrolyte $Al_2(SO_4)_3$ | $(iii) \ i = 4$ |
| $(d)$ For electrolyte $Na_3PO_4$ | $(iv) \ i = 1$ |
$R - Br + C{l^ - }\xrightarrow{{DMF}}R - Cl + B{r^ - }$ ,
which one of the following undergoes complete inversion of configuration?