Propose structures for the three compounds whose 1H NMR spectra

Propose structures for the three compounds whose 1H NMR spectra are shown.

(a) C5H10O

(b) C7H7Br

(c) C8H9Br

TMS O ppm 10 Chemical shift (8) TMS O ppm 10 9. 8. 3 2 Chemical shift (8) TMS O ppm 10 8. 6. 3 Chemical shift (8) Intens