Which structure best fits the MS data below? CH3CHOHCH3 CH3CHFCH3 CH3CHBrCH3 CH3CHClCH3

Question

https://dam.saplinglearning.com/authkey/yYuQnU_/preview/18EEGNggawP9uS2qBC7_QE/previews/maxWidth_1600_maxHeight_1600.jpg////104328_q_pq_preview.jpg?_=2

image of graph

Answer 1

CH3CHClCH3

Cl 35/37 isotope ratio is 3:1, visible in the peaks at 63/65 and 78/80.

Bromines are 79/81 and 1:1,

Fluorine, oxygen, carbon, and hydrogen have only minor alternate isotopes, and could not be distinguished here.