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what is the cation fragment ETHYL ACETATE Fragments to cation M/2 = 43, WHAT is Frag...
Isovaleraldehyde (shown above), analyzed in the previous spectrum, fragments to form a cation with a m/z=71. Which is the structure of the cation responsible for this fragment from the options (A-D) below. ОА овес оо
zene, C6H6? 12-23 Propose structures for compounds that fit the following data: al A ketone with M+ 86 and fragments at m/z 71 and m/z 43 h An alcohol with M+ = 88 and fragments at m/z 73, m/z 70, and m/z = 59 12-24 2-Methylpentane (C6H14) has the mass spectrum shown. Which peak represents M+? Which is the base peak? Propose structures for frag- ment ions of m/z 71, 57, 43, and 29. Why does the base peak have...
The mass spectrum of pentanal shows a peak at m/z 43. The molecular weight of pentanal is 86. Draw the electron flow and products for the formation of the cation, m/z 43 and radical fragment. ? + ? M: 86 m/z 43 cation (M-43) radical
on the me but not with the larger fragments on o t and more and record med in the h 3. Determine the distracted for each bund data bere 4. Determine the distance traveled for each and generated in the double digest and record data bere tion Endonuclease Digestion and Gel Electrophoresis of DNA 185 VI. RESTRICTION MAPPING The different DNA fragments generated by different map DNA. For example, specific DNA on 2000 nucleotides in las Rl or Hind and...
Question 2 Predict how NMR can distinguish between ethyl acetate and methyl propanoate? ethyl acetate methyl propionate
2. Draw the structure of the cation responsible for the base peak (m/z=58) in the mass spectrum of 3-aminopentane shown below: 3. Below is given the mass spectrum of a simple alkane. What is the chemical formula of the alkane? What is the name of the alkane? Explain how you determined the exact structure of the alkane from the observed fragments. 4. Below is a mass spectrum of an ester. Identify the ester. Consider that the dominant fragmentation pathway involves...
Given the partition coefficient between ethyl acetate and water for Compound A is 7.0, 1. what mass of A, to the tenths place, would be extracted from a 50 mL solution of water containing 9.0 g of A using 25 mL ethyl acetate? (2 pt)
Given the following mass spectra of isopentyl acetate below, provide the structures of the mass fragments corresponding to m/z = 43, 55, 70, and 115. (DCM signals are at 40, 49, and 84) Abundance 9000 3000 7000 6000 5000 4000 3000 2000 1000 40.1 40 441 57.2 70.2 77.2 84.0 103.2 91.0 96.0 100 115.1 110 120 126
what would be a synthesis mechanism for ethyl acetate? using a base catalyst.
Given the parent compound, draw the mass spectrum fragment that is observed at m/z 43. Include any hydrogen atoms and the positive charge.