The type of radioactive decay that has the net effect of changing a neutron into a proton and a proton into a neutron is to be stated. Concept introduction: Beta particles are generated when a neutron splits to form a proton and an electron. Beta decay involves the transformation of a neutron into a proton by the emission of an electron. The positron has the same mass as an electron but opposite charge. Positron production changes the neutron into a proton. To determine: The type of radioactive decay that has the net effect of changing a neutron into a proton and a proton into a neutron.

Question

1. Calculate the accurate monoisotopic mass (using all 1H, 12C, 14N, 160 and 35CI) for your product using the table in your lab manual. Don't include the Cl, since you should only have [M+H]*. Compare this to the value you see on the LC-MS printout. How much different are they? 2. There are four isotopic peaks for the [M+H]* ion at m/z 240, 241, 242 and 243. For one point of extra credit, explain what each of these is and why they are present. 3. There is a fragment ion at m/z 184. For one point of extra credit, identify this fragment and confirm by calculating the accurate monoisotopic mass. 4. The UV spectrum is also at the bottom of your printout. For one point of extra credit, look up the UV spectrum of bupropion on Google Images and compare to your spectrum. Do they match? Cite your source. 5. For most of you, there will be a second chromatographic peak whose m/z is 74 (to a round number). For one point of extra credit, see if you can identify this molecule as well and confirm by…

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Chapter 18, Problem 3Q

Interpretation Introduction

Interpretation: The type of radioactive decay that has the net effect of changing a neutron into a proton and a proton into a neutron is to be stated.

Concept introduction: Beta particles are generated when a neutron splits to form a proton and an electron. Beta decay involves the transformation of a neutron into a proton by the emission of an electron. The positron has the same mass as an electron but opposite charge. Positron production changes the neutron into a proton.

To determine: The type of radioactive decay that has the net effect of changing a neutron into a proton and a proton into a neutron.

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1. Calculate the accurate monoisotopic mass (using all 1H, 12C, 14N, 160 and 35CI) for your product using the table in your lab manual. Don't include the Cl, since you should only have [M+H]*. Compare this to the value you see on the LC-MS printout. How much different are they? 2. There are four isotopic peaks for the [M+H]* ion at m/z 240, 241, 242 and 243. For one point of extra credit, explain what each of these is and why they are present. 3. There is a fragment ion at m/z 184. For one point of extra credit, identify this fragment and confirm by calculating the accurate monoisotopic mass. 4. The UV spectrum is also at the bottom of your printout. For one point of extra credit, look up the UV spectrum of bupropion on Google Images and compare to your spectrum. Do they match? Cite your source. 5. For most of you, there will be a second chromatographic peak whose m/z is 74 (to a round number). For one point of extra credit, see if you can identify this molecule as well and confirm by…

Please draw, not just describe!

can you draw each step on a piece of a paper please this is very confusing to me