(Solved): Consider the compounds: 1,2-dibromoethane (C2H4Br2), acetylene (C2H2), 1,2-dibromoet ...

Consider the compounds: 1,2-dibromoethane $\left({\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{Br}}_2\right)$, acetylene $\left({\mathrm{C}}_2{\mathrm{H}}_2\right)$, 1,2-dibromoethene $\left({\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{Br}}_2\right)$, ethane $\left({\mathrm{C}}_2{\mathrm{H}}_6\right)$, ethene $\left({\mathrm{C}}_2{\mathrm{H}}_4\right)$. Choose the correct arrangement of the molecules in order of increasing $\mathrm{C}?\mathrm{C}$ bond length. ethane $\left({\mathrm{C}}_2{\mathrm{H}}_6\right)<1$,2 dibromoethene $\left({\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{Br}}_2\right)<1$, 2-dibromoethane $\left({\mathrm{C}}_2{\mathrm{H}}_4\mathrm{Br}{r}_2\right)<$ acetylene $\left({\mathrm{C}}_2{\mathrm{H}}_2\right)<$ ethene $\left({\mathrm{C}}_2{\mathrm{H}}_4\right)$ acetylene $\left({\mathrm{C}}_2{\mathrm{H}}_2\right)<1,2$-dibromoethene $\left({\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{Br}}_2\right)<$ ethene $\left({\mathrm{C}}_2{\mathrm{H}}_4\right)<1,2$-dibromoethane $\left({\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{Br}}_2\right)<$ ethane $\left({\mathrm{C}}_2{\mathrm{H}}_6\right)$ 1,2-dibromoethane $\left({\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{Br}}_2\right)<$ acetylene $\left({\mathrm{C}}_2{\mathrm{H}}_2\right)<$ ethane $\left({\mathrm{C}}_2{\mathrm{H}}_6\right)<$ ethene $\left({\mathrm{C}}_2{\mathrm{H}}_4\right)<1,2$-dibromoethene $\left({\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{Br}}_2\right)$ ethane $\left({\mathrm{C}}_2{\mathrm{H}}_6\right)<$ ethene $\left({\mathrm{C}}_2{\mathrm{H}}_4\right)<1,2$-dibromoethene $\left({\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{Br}}_2\right)<$ acetylene $\left({\mathrm{C}}_2{\mathrm{H}}_2\right)<1,2$-dibromoethane $\left({\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{Br}}_2\right)$ ethene $\left({\mathrm{C}}_2{\mathrm{H}}_4\right)<$ ethane $\left({\mathrm{C}}_2{\mathrm{H}}_6\right)<1,2$-dibromoethene $\left({\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{Br}}_2\right)<1,2$-dibromoethane $\left({\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{Br}}_2\right)<$ acetylene $\left({\mathrm{C}}_2{\mathrm{H}}_2\right)$