conditions used. 2) Identify the absorption features in the FT-IR spectra provided, explain how these relate to the final product from your proposed reaction mechanism. Albare basic conditions nreferred to acidic conditie 90 XT 80 70 916.19 850.61 532.35 60 50 1271.09 40 30 1097.50 20 1014.58- 763.81 10 2100 1950 1800 1650 1500 1350 1200 1050 900 3000 2700 2400 HVH Sdica particles 750 600 1/cm Figure 1.1: An infrared spectra of colloidal silica nanoparticles made using the method used in this experiment. No significant features are observed in the infrared spectra of this sample above 3000 cm 1. OCH, OH CHE hydrolysis H3C-Si-OH condenation CH3 Q 6 HAC-Si- OCH | OCH, OH Ow CH Hoa -SI CHE o world Si HC (1) o Hoa Si 0 "CH3 Hac Ow