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Transcription of this question: 2.Benzoic acid, C6H5COOH, is another derivative of benzene.(a)(b)(c)(d)Identify the wavenumber of one peak in the IR spectrum of benzoic acid, using section26 of the data booklet.Identify the spectroscopic technique that is used to measure the bond lengths in solidbenzoic acid.Outline one piece of physical evidence for the structure of the benzene ring.Draw the structure of the conjugate base of benzoic acid showing all the atoms and allthe bonds.Outline why both C to O bonds in the conjugate base are the same length and suggesta value for them. Use section 10 of the data booklet.(ii)The pH of an aqueous solution of benzoic acid at 298K is 2.95. Determine theconcentration of hydroxide ions in the solution, using section 2 of the data booklet.Formulate the equation for the complete combustion of benzoic acid in oxygenusing only integer coefficients.[2][2][2](g) The combustion reaction in (f)(ii) can also be classed as redox. Identify the atom that isoxidized and the atom that is reduced.Oxidized:Reduced:(h)Suggest how benzoic acid, Mr = 122.13, forms an apparent dimer, Mr = 244.26, whendissolved in a non-polar solvent such as hexane.State the reagent used to convert benzoic acid to phenylmethanol (benzyl alcohol),

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