Problem: For the following reaction, which of the following change(s) in the IR spectrum is consistent with conversion of the reactant to the product? a. absorption at 2150 cm -1 should disappear  b. absorption at 3300 cm -1 and 2150 cm -1 should disappear  c. absorption at 2250 cm -1 should disappear, a new absorption at 3300 cm -1 should appear  d. absorption at 1650 cm -1 should disappear, a new absorption at 3300 cm -1 should appear e. absorption at 3300 cm -1 and 2150 cm -1 should disappear, a new absorption at 1720 cm -1 should appear

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For the following reaction, which of the following change(s) in the IR spectrum is consistent with conversion of the reactant to the product?

a. absorption at 2150 cm -1 should disappear 
b. absorption at 3300 cm -1 and 2150 cm -1 should disappear 
c. absorption at 2250 cm -1 should disappear, a new absorption at 3300 cm -1 should appear 
d. absorption at 1650 cm -1 should disappear, a new absorption at 3300 cm -1 should appear
e. absorption at 3300 cm -1 and 2150 cm -1 should disappear, a new absorption at 1720 cm -1 should appear

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