Please answer both questions

thank you

PCC OH a) Compare the two structures. What new functional group is present in the product, but not the (gloons) carbonet e=0 Range: 1670-17600 b) Compare the two structures. What functional group is not present in the product, but is present in starting material? Where would you expect that functional group to appear in an IR spectrum? 34000 = 3650 strong, broad Alcohol OH hange