The structure of the compound formed when nitrobenzene is reduced by lithium aluminium hydride $(LiAlH_4)$ is

In the following reactions,the major product $W$ is

Which of the following chemicals are used to manufacture methyl isocyanate that caused the $Bhopal$ $Tragedy$?
$(i)$ $Methylamine$
$(ii)$ $Phosgene$
$(iii)$ $Phosphine$
$(iv)$ $Dimethylamine$

The product $C$ of the following reaction sequence is:

Benzenediazonium chloride on reaction with phenol in weakly basic medium gives

Identify the product of the following reaction:
$\text{Aniline} \xrightarrow[ii) \text{H}_2\text{O}, \Delta]{i) \text{NaNO}_2 + \text{HCl}, 273 \text{ K}} \text{Product}$