1500 3000 4000 SolutionThis is an FTIR Fourier Transform Inf

Solution

This is an FTIR (Fourier Transform Infrared) spectrum. FTIR is a technique used to get the infrared spectrum of absorption or emmission of a material. This technique is used to identify organic or inorganic materials.In this, the absorption or transmittance of infrared radiation by the samle versus wavelength is measured.

The IR absorption bands determine the molecular components.Infrared spectroscopy is associated with the vibrational energy of atoms or group of atoms in a material.

By considering the spectrum given in the question, there is a strong peak at around 1750 cm^-1 which represents the C=O stretch.There is two C-O stretches present at around 1250 cm^-1 and 1050 cm^-1,since there are sp³ C-O and sp² C-O bonds. Inaddition to that, there is aliphatic stretch C-H stretch is present at around 2900cm^-1.There is a medium C=C stretch is present at 1500 cm^-1.In FTIR spectra, 500 -1000 cm^-1 is considered as the finger-print regeon, that can help to determine the ortho-meta-para substitution patterns. Here there is strong peak present at around 700cm^-1 which represents C-Br.