What is the correct order (from highest to lowest of their respective wavenumbers (in cm^-1)?

1 2 3 C-H C-C C-O 7200, 1100, 3000 3000, 1100, 1200 1100, 3000, 1200 1200, 3000, 1100 Ninguna es correcta No se puede determinar 3000, 1200, 1100 1100, 1200, 3000 1200, 1200, 1200