A student has a liquid that is supposed to be 2-bromopropane. How could he confirm this using a mass spectrum? Group of answer choices AThe mass spectrum should have a peak at 124 amu. BThe mass spectrum should show a peak at 45 amu. CThe mass spectrum should show a peak at 43 amu. DThe mass spectrum should show peaks at 79 amu and 81 amu. EThe molecular ion peak should appear as a "doublet" at 122 and 124 amu. What does the abbreviaton "EI" stand for? Group of answer choices Aelectron ionization Belectromagnetic induction Celectron imaging Dearly ionization Eelectron intensity Which of the following transitions will exhibit the shortest wavelength in the UV-Vis spectrum? Group of answer choices Ap to p* Bn to s* Cn to p* Ds to s* Ep to s* Which of the following transition would be spin allowed? Group of answer choices An to s* Bp to p* Cn to p Dn to s En to p*

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A: Solution: We know a typical mass spectrum is a plot of relative abundance (%) vs m/z.

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