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Analyze the IR spectrum of fumaric acid by writing down and indicating the main bonds. Ignore anything below 1500 nm-1 .
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- Name the following compounds A and B. How could you distinguish these two molecules by using 1H NMR and IR techniques? Propose an analytical technique to determine the iron content of these compounds. Calculate the mass percentages of C and H of compound B (C: 12.01 g/mol; H: 1.008 g/mol; Fe: 55.845 g/mol).Please solve question 2 and explainA compound A of mass 114 has the following elemental analysis: C = 63.14%, H=8.83%. The IR, 1H NMR and 13C NMR spectra are given below. 1) Assign and interpret all the data from the 1H NMR and 13C NMR spectra. Propose a formula for A. 7.0 175 с 3000 1,3; 13 I=1 6.0 150 I=1 с 5.0 CH₂ 125 2000 Explain why the answer is this one : CH,—CH,—0 4,2; 60 mavermy I=2 cm-1 4.0 100 1500 3.0 75 135 167 | CH₂ 6 125 CH 3 1,95 ; 18 I=3 1000 2.0 50 H 5,5 I=3 1.0 CH₂ CH₂ 25 500 Ppm ppm
- The options to choose from are: -Relative number and number of types of hydrogen -absolute number and number of types of hydrogen -confirms molecular weight of molecule -relative number and number of types of carbon -confirms presence of functional groups -number of types of carbon -relative number of functional groupsA) Phenol Red is a weakly acidic dye which is yellow in the HA form and red in the A form. What concentration of Phenol Red is required to obtain an absorbance of 0.50 at 550 nm at pH 7.8? Note: ε550 of A = 2.5 x 104 M-1 cm-1; ε550 of HA = 0; pKa = 7.8. B) What would the absorbance of the solution in part (a) be if the pH was 8.8?Chapter 18 Worksheet 18-1 Properties of Light 1. The stretching frequency of a carbonyl (C=0) bond in a typical ketone is 5.15 x 1013 Hz. The vibrational energy of the molecule increases when light of this frequency is absorbed. a) What is the wavelength of this light in nanometers? b) What is the wavelength of this light in micrometers? c) Express the frequency of this light in wavenumbers. d) What is the energy (in joules) of a single photon of light at this frequency? e) What is the energy (in kilojoules) of one mole of photons at this frequency? f) Into what region of the electromagnetic spectrum does this radiation fall?
- Synthesis also label any major/minor/trace productsWhich of the following compounds will form yellow or orange precipitate when reacting with 2,4-dinitrophenylhydrazine? Choose all that apply. 0 о 1 5 H ОН 2 хон 6 0 3 ОН 7 4 8 0 ОНAssume that you are in a laboratory carrying out the catalytic hydrogenation of cyclohexene to cyclohexane. How could you use a mass spectrometer to determine when the reaction is finished?
- 22. Which of the following is FALSE with regard to acid strength? A) B) C) D) E) HCIO3 > HCIO₂ H₂SO3 > H3PO3 HBr > H₂S H₂O > NH3 HF > HIdo a IR spectra analysis and draw the molecular structure. Provide a well-explained solution.3C2: Identify basic IR-active bonds in a standard IR data set. Use the given IR spectrum to generate a viable organic structure with a molar mass (MM) less than 200 g/mol. In your response, the structure you draw must be correlated directly to all the important IR absorbance signals in the data. IR Spectrum 4000 3000 M 1277 1254 1200 1712 2000 1600 V (cm¹) 800