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6) Predict a-allylic cleavage fragmentation of 5,5-dimethylhexene-1-ol and determine ion fragment mass. Why is it stable?...
6) Predict a-allylic cleavage fragmentation of 5,5-dimethylhexene-1-ol and determine ion fragment mass. Why is it stable?
do alpha allylic cleavage fragmentation of 5,5 dimethylhexen-1-ol and determine the ion mass of the product formed also give reason for the stability of the product formed 6) Predict a-allylic cleavage fragmentation of 5,5-dimethylhexene-1-ol and determine ion fragment mass. Why is it stable?
Pusong 5) Draw McLafferty rearrangement of 4-methyl hexanal. Determine ion fragments. 6) Predict a-allylic cleavage fragmentation of 5.5-dimethylhexene-1-ol and determine ion ass. Why is it stable
7) Determine ion fragments of methyl-cyclopentane and draw mass spectra. Show all ionic rearrangements.
Name: Starting with the mass spectrum of n-heptane What is the molecular ion? What fragment is lost to generate the ion with m/z =71? What cation does the peak at m/z = 43 represent? What group does the spacing between each set of ions represent? Why is the peak at (M-15), corresponding to loss of -CH3 so small? Draw the structure of 2,4-dimethylpentane What is the structure of the ion responsible for m/z = 85? Relative Intensity What is the...
In Mass Spectrometry (MS) the molar mass of compounds can be determined. The so-called "molecular ion" corresponds to the molecular mass when Electron Impact Mass Spectrometry (EIMS, one of several common MS techniques) is used. It is important to realize, though, that the mass detected by MS depends on the isotopes present in the molecule. The questions below try illustrate the impact of isotope distribution in a molecule. What is the molar mass of the compound shown below? What is...
help with this worksheet please! 1. Determine the radical stability with 1 the most stable and 4 the least stable 2. What is the major product of 2-methylpropane mono-chlorination? Cl2 light 3. Calclate AH for chlorination of methane (DHe for CHa-H is 440 kJ/mol; DH° for Cl-Cl is 243 kJ/mol; DH° for CH3-Cl is 432 kJ/mol; and DH° for H-Cl is 353 kJ/mol 4. Draw structure of the most stable radical formed by hydrogen radical abstraction from 3- methylcyclohexene 5....
6. Draw the two chair conformations for cis-1-sec-butyl-2-ethylcyclohexane. Predict the most stable conformer and draw the corresponding Newman projection (4 pts) 7. Convert the following compounds from their 3D structure to their Fisher projection and vice-versa (4 pts) НО Br HO co₂me HN CI CO2Me НО -СІ НЕОН СН2ОН 5| Page 8. The specific rotation for (R)-methyl 2-chloro-2,3-dihydroxypropanoate is -126.7. A student prepare a sample of methyl 2-chloro-2,3-dihydroxypropanoate enantiomers that shows a specific rotation of +89.6, (a) Calculate the percent...
please answer as many questions with detail. 1. Evaluate how much "weight" (mass, strictly speaking) an average human loses daily due to gas exchange while breathing. Find all necessary data, indicate your sources, and present a detailed calculation. 2. 10.00 g of a Mg-Al alloy completely dissolved in hydrochloric acid. The volume of hydrogen gas given off in the chemical reaction is 12.29 L Find the mass composition (in mass %) of the alloy. Assume that the volume of 1...
need help on quetion 6 & 7 6 HAMK 1 CNMR 240 220 200 180 140 160 120 100 60 40 20 ppm IR MS 404 3000 2000 Propose a compound for that would furnish all of the above spectra. (1 pt) go zo arbitrary intensty 7 H NMK 12.0 10.5 9.0 7.5 6.0 4.5 3.0 15 C NMR 240 220 160 200 180 140 120 100 Ppm IR tóo Propose a compound that would furnish all of the above...