Relative Intensity 100 80- 60- 40- 20 0 10 MS-NU-4615 20 30 40 50 m/z 60 70 80

Q: just need the last one.

A: Task 2: Diagnostic Absorptions in 2,3-dibromo-4-phenylpropanoic AcidIdentify at least two diagnostic…

Q: what is the fragment produced at 137 M/Z (mass spectrum) ? Draw the structure and provide the…

A: In mass spectrum some molecular ion is characterized by their specific m/z peak. m/z =137 molecular…

Q: Fills in the blank using Mass spectrum Compound Name / ID: Base Peak: Base peak fragment…

A: Since you have posted a question with multiple sub-parts we will solve the first three for you. To…

Q: 3-pentanone

A:

Q: In a DEPT-135 spectrum, which labeled carbons in the molecules below would show positive and which…

A: Given are two organic compounds. DEPT-135 peaks,Positive - CH and CH3 Negative - CH2Quaternary…

Q: Draw all four resonance forms of the fragment at m>z 73 in the mass spectrum of pentanoic acid

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Q: The mass spectra of alcohols show a relatively large рeak.

A: Since we know that the mass spectra of alcohols often fail to exhibit detectable M peaks but instead…

Q: 7 Predict the masses and the structures of the most abundant fragments observed in the mass spectra…

A: Mass spectrometry- Mass spectrometry is an analytical technique which measures mass to charge (m/z)…

Q: For the following reaction, which of the following change(s) in the IR spectrum is consistent with…

A: Some of the IR frequencies are: O-H stretch: 3300-3400cm-1 C=O stretch: 1715-1730cm-1 C-O stretch:…

Q: The base peak in the mass spectrum of an alkane, C7H16, appears at m/z =57. Draw a molecule that is…

A: The peak at m/z = 57 corresponds to the formula of C4H9, which is a tert-butyl cation (CH3)3C+. If…

Q: NH3 H OMe 100 MS-NU-1271 80 59 44 40 - 20 [M]* m/z 101 10 20 30 40 50 60 70 80 90 100 m/z Relative…

A:

Q: The simulataed APT spectrum of a compound with the molecular formula C6H11Cl is shown. Draw a…

A: All the answers in the explanation box.Explanation:Solution  If you like thamb up for feedback and…

Q: Draw the structures of the fragments that give rise to the peaks at m/z 43, 57 and 85 in the mass…

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Q: Mass Spectrum (not shown): [M] = 208 (100%) m/z IR Spectrum (not shown): 3098, 2981, 1331 cm³¹ (all…

A: Structure determination by IR spectroscopy:The IR values give information about the compound.1) 3098…

Q: PQ-2. Which structure would show major fragments in its mass spectrum at 57 and 85 m/z? O (A) H3C…

A: Fragmentation in Mass spectrum:Fragmentation occurs when energetically unstable molecular ions…

Q: Determine the structure of the molecule given the formula and NMR.

A: First determine the degrees of unsaturation. ⇒C4H7ClODegrees of unsaturation = 24+2-7-1+02=1 From…

Q: Select the functional group represented in the following IR spectrum. LOD TRANSMITTANCEI D 4000…

A: We have to predict the correct functional group for given spectrum.

Q: What drastic change on the IR spectrum would you expect if you were to follow this reaction using IR…

A: Given reaction is oxidation reaction in which primary alcohol is converted into aldehyde.

Q: Spectrum 1: LOD 4D00 3000 2000 1000 HAVENUMBERI TRANSHETTRNCEII

A:

Q: B. Aldehyde, alcohol or amine % Transmittance 100- 50 4000 3000 wwwm 2000 1500 Wavenumber (cm-¹)…

A: We can decide the presence of any functionality present in an organic molecule by closely observing…

Q: Use your knowledge of fragmentation to predict the most stable peak, M, for the resulting mass…

A: During electronic bombardment the most loosely electron is knocked out to produce M+ ion whhich…

Q: Both of the mass spectra are of an aromatic compund. Identify the fragments.

A: In the first mass spectrum the peaks were observed at m/z = 92 and m/z = 91. In the second mass…