A student has the compound ethyl acetate and they would like to take an IR. First, they want to make sure they know what significant wavenumbers to look out for in their IR. What is the correct answer choice that matches the significant peaks of this compound?  Key: S = Strong, M = Medium, W = Weak, Sh = Sharp, Br = Broad   A)2980 cm-1 (m, sh) and 1750 cm-1 (s, sh) B)3070 cm-1 (m, br), 2930 cm-1 (s, sh), 1750 cm-1 (s, sh) C) 3350 cm-1 (m, sh) and 1720 cm-1 (s, sh) D) 3070 cm-1 (w), 2980 cm-1 (w, sh), 1720 cm-1 (s, sh) E)None of the above.

A student has the compound ethyl acetate and they would like to take an IR. First, they want to make sure they know what significant wavenumbers to look out for in their IR. What is the correct answer choice that matches the significant peaks of this compound? 

Key: S = Strong, M = Medium, W = Weak, Sh = Sharp, Br = Broad

A)2980 cm-1 (m, sh) and 1750 cm-1 (s, sh)

B)3070 cm-1 (m, br), 2930 cm-1 (s, sh), 1750 cm-1 (s, sh)

C) 3350 cm-1 (m, sh) and 1720 cm-1 (s, sh)

D) 3070 cm-1 (w), 2980 cm-1 (w, sh), 1720 cm-1 (s, sh)

E)None of the above.