Question: 2-Methylpentanc (C 6 H 14 ) has the mass spectrum shown. Which peak represents M + ? Which is the base peak? Propose structures for

2-Methylpentanc (C₆H₁₄) has the mass spectrum shown. Which peak represents M⁺? Which is the base peak? Propose structures for fragment ions of m/z = 71, 57, 43, and 29. Why does the base peak have the mass it does?

100 80 20 120 40 10 140 20 60 80 100 m/z

100 80 20 120 40 10 140 20 60 80 100 m/z Relative abundance (%) 20 8

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