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Propose a molecular formula for a compound that has one degree of unsaturation and a mass...
Compound A has the molecular formula C10H14. a) Calculate the unsaturation number or IHD. b) Provide the molecular ion observed in the mass spectrum, including its units. c) Propose a structure based on the carbon-13 NMR spectrum given. CH3 CH Compound A CDCl3 160 140 120100 80 60 40 20 0 CH3 CH Compound A CDCl3 160 140 120100 80 60 40 20 0
Assign the structure of this compound based on the degree of unsaturation from the molecular formula and the IR spectrum. Explain briefly. http://oi63.tinypic.com/sb5176.jpg
Given the molecular formula, calculate the degree of unsaturation for the following compound. Suggest at least three possible structures consistent with the degree of unsaturation for each compound. (Special case: A nitro grou, -NO_2, has one degree of unsaturation. This information doesnt matter when you are calculating the degree of unsaturation, but it might matter when you start drawing structures.) C_3H_14O_2 C_2H_30 O C_5H_10 O C_4H_9NO_3 C_4H_4O_2 C_2H_10 Cl_2
Given the molecular formula calculate the degree of unsaturation for the following compound C8H9NO3. And what are three possible structures consistent with the degree of unsaturation for the compound?
Propose three reasonable molecular formulas for a molecular ion at m/z = 176, (show calculations; 3 pts) Propose two reasonable structures for a hydrocarbon having an exact mass of 122.1096 that forms 1-ethyl-1-methylcyclohexane upon hydrogenation with excess H2 and Pd-C. (2 pts) 3. 4. A low resolution mass spectrum of a neurotransmitter gave a molecular ion at m/z s 153. Three possible formulas for this molecular ion are Coth/N,O2. Cat,NO, and C,HnN,O. A high resolution mass spectrum provided a exact...
Question 14 [1 pt] What is the degree of unsaturation of a compound whose molecular formula is C11H21N?
Compound F has a molecular formula of C9H8O. What is the unsaturation number; Functional groups that are ppossibly present in compound F? I keep getting this question wrong, can anyone help me? 7 of 29 Incorrect Question 27 of Map Compound F has a molecular formula of CgHgO. What is the Unsaturation Number (UN) or Double-Bond Equivalent (DBE)? Number Examine the IR spectrum provided for Compound F Based on the molecular formula, the UN/DBE you calculated, and the IR spectrum,...
lastly propose a strucutre for compound E Compound F has a molecular formula of CgHgO. What is the Unsaturation Number (UN) or Double-Bond Equivalent (DBE)? Examine the IR spectrum provided for Compound F. Based on the molecular formula, the UN/DBE you calculated, and the IR spectrum, check all the functional groups that are possibly present in compound F? Examine the 13C and 1H spectra of Compound F. All the proton signals are above 6 ppm. What fragment would account for...
A compound with molecular formula C_9 H_10 O_2 displays the following^1HNMR spectrum. Propose a structure for this compound.
An unknown compound A has an empirical formula of c3h6o and a molecular ion peak in its mass spectrum at m/z 116. It also has no IR absorption at 3200-3600cm^-1 but shows a peak at 1740cm^-1. The H NMR spectra data of A is given below in table format. Use this information to answer questions a-d below. 9 (15 Points). An unknown compound A has empiricl rmula of C,HO and a molecular ion peak in its mass spectrum at an...