1.[P]→Br2C2H4Br2→NaNH2/NH3[Q]→20%H2SO4/Hg2+/Δ[R]→Zn-Hg/HCl[S]\text{[P]} \xrightarrow{\text{Br}_2} \text{C}_2\text{H}_4\text{Br}_2 \xrightarrow{\text{NaNH}_2/\text{NH}_3} \text{[Q]} \xrightarrow{20\%\text{H}_2\text{SO}_4/\text{Hg}^{2+}/\Delta} \text{[R]} \xrightarrow{\text{Zn-Hg/HCl}} \text{[S]}[P]Br2C2H4Br2NaNH2/NH3[Q]20%H2SO4/Hg2+/Δ[R]Zn-Hg/HCl[S]. The species P, Q, R and S respectively are:a.Ethene, ethyne, ethanal, ethaneb.Ethane, ethyne, ethanal, ethenec.Ethene, ethyne, ethanal, ethanold.Ethyne, ethane, ethene, ethanalLogin to continueOnly logged in users canattempt or see the solution.
