image
$\mathop {C{H_3} - C{H_2} - N{H_2}}\limits_{\mathop 2\limits } \,$$\,\mathop {{{(C{H_3})}_2}NH}\limits_{\mathop 3\limits } $
$\mathop {C{H_3} - \mathop {\mathop C\limits^{||} }\limits^O - N{H_2}}\limits_4 $
$(i)$ Methylamine $(ii)$ Phosgene
$(iii)$Phosphine $(iv)$ Dimethylamine


Assertion $A$ : Aniline on nitration yields ortho, meta and para nitro derivatives of aniline.
Reason $R$: Nitrating mixture is a strong acidic mixture.
In the light of the above statements, choose the correct answer from the options given below