Draw both radical cation + neutral molecule or neutral radical + cation for each fragmentation. Add curved arrows to show the mechanism. Add nonbonding pairs.
Homework Answers
on a given fragments based on mass spectrum M/Z intensitys we
calculate mass value
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Draw both radical cation + neutral molecule or neutral radical +
cation for each fragmentation. Add...
Draw the mechanism arrows for both propagation steps for the radical addition of HBr to the...
Draw the mechanism arrows for both propagation steps for the
radical addition of HBr to the alkene.
Draw the mechanism arrows for both propagation steps for the radical addition of HBr to the alkene.Draw the mechanism arrows for both propagation steps for the radical addition of HBr to the alkene. To add curved arrows that meet in space, first add a generic atom X, then add the curved arrows so that they terminate at the X, In each box, do...
A. One mechanism of fragmentation is loss of a neutral radical by cleavage of a bond...
A. One mechanism of fragmentation is loss of a neutral radical by cleavage of a bond from which one electron has been lost. What is the m/z ratio of the most stable cationic fragment that can be generated from dexchlorpheniramine by this mechanism? Show the structure of the fragment and discuss charge stabilization. B. The base peak in the dexchlorpheniramine mass spectrum occurs at m/z 203. A peak with relative intensity 33.1 occurs at m/z 205. Interpret this information with...
Problem #2. Alkene Spectroscopy a) Draw in two of the major fragmentation products of the radical...
Problem #2. Alkene Spectroscopy a) Draw in two of the major fragmentation products of the radical cation of this alkene in the boxes provided. Clearly indicate if each compound is a radical, a cation, or a radical cation. -4 m/z 125 m/z = 97 b) Briefly describe the diagnostic peaks for the alkene from part a) in the IR spectrum. Explain where you would look (which cm) and what you would see. Since we are focusing on diagnostic peaks here,...
Consider the following reaction: Complete the electron-pushing mechanism for the reaction by drawing the necessary organic...
Consider the following reaction: Complete the electron-pushing mechanism for the reaction by drawing the necessary organic structures and curved arrows for each step. Make sure to include all nonbonding electron pairs. treatment with D_2O Add curved arrows for the second step. Do not show Na+ counter ion. treatment with NaBH_4 Add curved arrows for the first step. Treat Na+ as a spectator ion. Final products Draw the products of the last step (one organic and one inorganic species), including all...
1. Add curved arrows to both structures to show the delocalization of electron pairs needed to...
1. Add curved arrows to both structures
to show the delocalization of electron pairs needed to form the
other resonance contributor.
2a.) Draw the predominant resonance
contributor for the following compound; include lone pairs of
electrons, formal charges, and hydrogen atoms.
b) Add curved arrows to both structures
to show the delocalization of electron pairs.
First box is to add in curved arrows that illustrate the first step of this mechanism....
First box is to add in curved
arrows that illustrate the first step of this mechanism. Second box
is Draw the two intermediates that form and show curved arrows
depicting the next step. Third is Draw the intermediate and the
small molecule with which it will react. Show curved arrows
depicting the next step. Fourth box is Draw the intermediate and
the small molecule with which it will react. Show curved arrows
depicting the next step.
05 Question (1 point)...
the following reaction: Add curved arrows for the first step. Draw both the organic and inorganic...
the following reaction: Add curved arrows for the first step. Draw both the organic and inorganic intermediate species. Include nonbonding electrons and charges, where applicable. Include hydrogen atoms Incorrect Markovnikov's rule describes where H+ adds. When H+ adds to one carbon of the alkene, the other alkene carbon becomes charged. Include both the inorganic and organic intermediates, be sure that all charges and lone pairs are drawn, and check that there are three carbon atoms present.
For the following reaction: 1) Add curved arrows for the first step. 2) Draw both the...
For the following reaction: 1) Add curved arrows for the first step. 2) Draw both the organic and inorganic intermediate species. Include nonbonding electrons and charges, where applicable. Include hydrogen atoms. CH3 H3C CH3 H₃ C & &-CH₃
The Claisen condensation converts 2 molecules of an ester into a B-keto ester. The reaction starts...
The Claisen condensation converts 2 molecules of an ester into a B-keto ester. The reaction starts with the ester in an alkoxide/alcohol solution and is worked up with acid to form the neutral B-keto ester product. :0 O: 1. -OCH2CH3/CH3CH20H 2 2. H30 OH Show the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion. Include all formal charges and nonbonding electrons. In each step, draw only the species that react in that step. If an...
Show the mechanism for the following reaction conducted at –5 °C in CCl4: cyclohexene bromine yields...
Show the mechanism for the following reaction conducted at –5 °C
in CCl4: cyclohexene bromine yields a dibromocyclohexane Draw
structures – including charges and electrons – and add curved
arrows. Details count.
Map do cyclohexene + bromine yields a dibromocyclohexane Draw structures - including charges and electrons - and add curved arrows. Details count. Add curved arrows to the first step. 1l Draw each species (organic and inorganic) resulting from the previous step. Include charges and nonbonding electrons. Add curved...
Draw the mechanism arrows for both propagation steps for the
radical addition of HBr to the alkene.
Draw the mechanism arrows for both propagation steps for the radical addition of HBr to the alkene.Draw the mechanism arrows for both propagation steps for the radical addition of HBr to the alkene. To add curved arrows that meet in space, first add a generic atom X, then add the curved arrows so that they terminate at the X, In each box, do...
Problem #2. Alkene Spectroscopy a) Draw in two of the major fragmentation products of the radical cation of this alkene in the boxes provided. Clearly indicate if each compound is a radical, a cation, or a radical cation. -4 m/z 125 m/z = 97 b) Briefly describe the diagnostic peaks for the alkene from part a) in the IR spectrum. Explain where you would look (which cm) and what you would see. Since we are focusing on diagnostic peaks here,...
Consider the following reaction: Complete the electron-pushing mechanism for the reaction by drawing the necessary organic structures and curved arrows for each step. Make sure to include all nonbonding electron pairs. treatment with D_2O Add curved arrows for the second step. Do not show Na+ counter ion. treatment with NaBH_4 Add curved arrows for the first step. Treat Na+ as a spectator ion. Final products Draw the products of the last step (one organic and one inorganic species), including all...
1. Add curved arrows to both structures
to show the delocalization of electron pairs needed to form the
other resonance contributor.
2a.) Draw the predominant resonance
contributor for the following compound; include lone pairs of
electrons, formal charges, and hydrogen atoms.
b) Add curved arrows to both structures
to show the delocalization of electron pairs.
First box is to add in curved
arrows that illustrate the first step of this mechanism. Second box
is Draw the two intermediates that form and show curved arrows
depicting the next step. Third is Draw the intermediate and the
small molecule with which it will react. Show curved arrows
depicting the next step. Fourth box is Draw the intermediate and
the small molecule with which it will react. Show curved arrows
depicting the next step.
05 Question (1 point)...
the following reaction: Add curved arrows for the first step. Draw both the organic and inorganic intermediate species. Include nonbonding electrons and charges, where applicable. Include hydrogen atoms Incorrect Markovnikov's rule describes where H+ adds. When H+ adds to one carbon of the alkene, the other alkene carbon becomes charged. Include both the inorganic and organic intermediates, be sure that all charges and lone pairs are drawn, and check that there are three carbon atoms present.
For the following reaction: 1) Add curved arrows for the first step. 2) Draw both the organic and inorganic intermediate species. Include nonbonding electrons and charges, where applicable. Include hydrogen atoms. CH3 H3C CH3 H₃ C & &-CH₃
The Claisen condensation converts 2 molecules of an ester into a B-keto ester. The reaction starts with the ester in an alkoxide/alcohol solution and is worked up with acid to form the neutral B-keto ester product. :0 O: 1. -OCH2CH3/CH3CH20H 2 2. H30 OH Show the curved-arrow mechanism for the Claisen condensation of ethyl ethanoate treated with ethoxide ion. Include all formal charges and nonbonding electrons. In each step, draw only the species that react in that step. If an...
Show the mechanism for the following reaction conducted at –5 °C
in CCl4: cyclohexene bromine yields a dibromocyclohexane Draw
structures – including charges and electrons – and add curved
arrows. Details count.
Map do cyclohexene + bromine yields a dibromocyclohexane Draw structures - including charges and electrons - and add curved arrows. Details count. Add curved arrows to the first step. 1l Draw each species (organic and inorganic) resulting from the previous step. Include charges and nonbonding electrons. Add curved...
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