
- A$N-$ Cyclohexyl benzamide
- B$N-$ Phenyl $-N-$ cyclohexylmethanamide
- ✓$N-$ Phenylcyclohexane carboxamide
- D$N-$ Cyclohexyl $-N-$ phenylmethylamide


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${H_3}C - C \equiv CH\,\xrightarrow[{HgS{O_4}}]{{{H_2}O,\,{H_2}S{O_4}}}\,\mathop {Intermediate}\limits_{(A)} \,$$ \to \,\mathop {\Pr oduct}\limits_{(B)} $

(Given : Energy of the electron in the first shell of the hydrogen atom is $-2.2 \times 10^{-18} \,J$; $h =6.63 \times 10^{-34}\, Js$ and $c =3 \times 10^{8} \,ms ^{-1}$ )

$P.$ $C{H_3} - CH = C{H_2}\xrightarrow{{HCl}}$
$Q.$ $C{H_3} - CH = C{H_2}\xrightarrow[{{\text{Peroxide}}}]{{HCl}}$
$(I)$ $2HI(g) \rightleftharpoons {H_2}(g)\, + \,{I_2}(g)$
$(II)$ $2N{H_3}(g) \rightleftharpoons {N_2}(g)\, + \,3{H_2}(g)$
$(III)$ $2NO(g) \rightleftharpoons {N_2}(g)\, + \,{O_2}(g)$
$(IV)$ $PC{l_5}(g) \rightleftharpoons PC{l_3}(g)\, + \,C{l_2}(g)$