For the Following Reaction,which of the Following Is Consistent with the IR

For the following reaction,which of the following is consistent with the IR spectrum of the product?

A) absorption at 2150 cm^-1 should disappear
B) absorption at 3300 cm^-1 and 2150cm^-1 should disappear
C) absorption at 2250 cm^-1 should disappear,new absorption at 3300 cm^-1 should appear
D) absorption at 1650 cm^-1 should disappear and absorption at 3300 cm^-1 should appear
E) absorption at 3300 cm^-1 and 2150cm^-1 should disappear,a new absorption at 1720 cm^-1 should appear