Refer to the Mass Spectrum of 2-Methylbutane Shown Below to Answer

question 18

Essay

Refer to the mass spectrum of 2-methylbutane shown below to answer the following question(s). (Spectrum obtained from: SDBSWeb: http://www.aist.go.jp/RIODB/SDBS/)
-Refer to instructions. Propose structures for fragment ions at m/z = 57, 43, and 29.

---

Definitions:

Dividend Income

Income earned by investors from receiving dividends, which are distributed portions of a company's profit.

Non-Controlling Interest

The portion of equity in a subsidiary not attributable, directly or indirectly, to the parent company, reflecting the minority shareholder's stake in the subsidiary’s net assets.

Entity Method

A valuation approach in business combination accounting that views the acquiring and target company as a single entity from the date of acquisition.

Non-Controlling Interest

The portion of equity interest in a subsidiary not attributable to the parent company, reflecting the minority shareholders' stake.