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

Multiple Choice

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

A) absorption at 2250 cm^-1 should disappear
B) absorption at 3200-3400 cm^-1 and 1720cm^-1 should appear
C) absorption at 2250 cm^-1 should disappear,new absorption at 2600-2800 cm^-1 and 1720 cm^-1 should appear.
D) absorption at 2250 cm^-1 should disappear and absorption around 3400 cm^-1 should appear.
E) none of these