0.1 m potas 43. among the following hydrocarbon(s), how many of them would give rise to three groups of proton nmr peaks with 2:2:3 integration ratio? eoisomner

0.1 M potas 43. Among the following hydrocarbon(s), how many of them would give rise to three groups of proton NMR peaks with 2:2:3 integration ratio? eoisomners possible Tor he Tollowing COmpounad ls..o*eeensnr