100 NH2 hexan-3-amine 50 m/z = 101 M 10 20 30 40 50 60 70 80 90 100 110 m/z Relative abundance

Q: A compound was isolated as a minor constituent in an extract from garden cress. Its spectra are…

A:

Q: A 13C NMR spectrum is shown for a molecule with the nolecular formula of C6H10O. Draw the structure…

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Q: Identify and Interpret each fragment of the followving mass spectrum: (write as text) *Molecule…

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Q: 100- MS-NW-2178 80 - 60 40 20- 10 30 40 50 60 70 80 90 100 110 120 m/z Relative Intensity 20

A: Ans:    Acetophenone    Mass of molecular ion [M] .+ = 120 A small peak  [M+1] .+ = 121 (carbon  has…

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Q: The molecular ion in the mass spectrum of 2-methyl-1-pentene appears at m/z 84. Propose structural…

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Q: Loss of which fragment from the parent molecule could account for the peak at 57 in the mass…

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A: Molecular ions are positive ions and it is formed, when the electrons with high sufficient energy…

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A: The corresponding molecular formula C5H11N contains either one pi bond or one ring.

Q: 2) 2-Mpentanol has the mass spectrum shown. Propose structures for fragment ions of m/z 88, 73, 70,…

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the…

Q: An unknown substance shows a molecular ion peak at m/e = 170 with a relative intensity of 100. The M…

A: Given: Molecular ion peak at m/e = 170 with a relative intensity of 100 M+1 peak has an intensity of…

Q: Consider the mass spectrum of hexan-2-amine. Label the molecular ion and base peak and propose a…

A: Given compound,       Hexan-2-amine

Q: 9. An unknown hydrocarbon has a molecular ion peak at m/z = 84 with a relative intensity of 31.3.…

A:

Q: m-Nitromethyl benzoate: Put in the molecular formula of the ions responsible for peaks at 135 and…

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Q: 4. Provide the structure of the fragments that are form in the mass spectrum shoWn below for the…

A: Mass spectrometry helps to determine the mass of ionic species using atomization techniques. Both…

Q: The following spectra are taken from a compound that is an important starting material for organic…

A: A question based on Mass spectrum, which is to be accomplished.

Q: Which of the following statements is correct regarding the mass spectrum of cyclohexanol (MW = 100)?…

A: A question based on mass spectrum that is to be accomplished.

Q: 13C NMR Spectrum (50.0 MHz, CDCI, solution) DEPT CH CH, cCH solvent proton decoupled 200 160 120 80…

A: 13C-NMR: 5-signals indicates the five types of carbons.  1H-NMR: Three signals indicates three types…

Q: cm-1 000L 0091 00ZL

A:

Q: Given the spectra below, answer the following questions, both spectra were obtained with 1.0 cm…

A: A question based on Beer-Lambert law, which is to be accomplished.

Q: a) b) Predicting Acidity Rank the following compounds in order of increasing acidity: 1 1 1 OH LOH…

A: Electron withdrawing effect (-R and -I ) increases the acidic strength of acids.

Q: An unknown substance shows a molecular ion peak at m/z = 170 with a relative intensity of 100. The M…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: A primary amine will demonstrate which of the following characteristics on its mass spectrum?…

A: A mass spectrum is the representation of relative abundance on the x-axis vs m/z on the y-axis. Each…

Q: The unknown compound that gives the following IR and NMR spectra has the formula C4H9Br. Based on…

A: Molecular formula C4H9Br

Q: 100 80 60 40 20 4000 3500 3000 2500 2000 1500 1000 500 Transmittance %

A:

Q: The low-resolution mass spectrum of an unknown analgesic X had a molecular ion of 151. Possible…

A: The exact molar masses of C, H, N, and O are shown below.

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Q: Consider the following mass spectrum, which exhibits a parent peak of 79 m/z, a "P+2" peak of 81…

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Q: The infrared band below is broad (about 200 cm wide) and shows a characteristic double peak. Which…

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Q: Use equations to explain the prominent peaks at m>z 74 and m>z 87 in the mass spectrumof…

A: The prominent peaks at m/z = 87 is as follows:

Q: Which compound is most consistent with the following mass spectrun 100 - 80 20 50 100 110 120 10 20…

A: Mass spectrometry (MS) is an analytical method used to measure the mass-to-charge ratio of ions.

Q: Make a sketch of the partial mass spectrum of 1-bromoheptane, showing the position of the peaks…

A: (i) Molecular ion at 178. (ii). m/z = 121 is appeared due to bond breaking at carbons 3 and 4. (iii)…

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Q: 100 - M+ 80 60 Which of the following compounds would be consistent with-a compound having the…

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Q: The mass spectrum of 2-methyl-3-pentanol is shown below. What fragments can you identify? 100 80 60…

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A: The correct answer about C-13 NMR spectrum is given below

Q: Label each of the following in the mass spectrum of hexan-2-ol [CH3CH(OH)CH2CH2CH2CH3]: the…

A: Molar mass of hexan-2-ol is 102. The molecular ion peak will be the peak at m/z = 102. Base peak is…

Q: What are metastable peaks? Mass spectrum of toluene exhibits two strong peaks at m/e 91 and m/e-65.…

A: The mass spectrum is used to determine the structure of a molecule using the mass to charge ratio.…

Q: Propose the molecular formula for a compound that exhibits the following peaks in its mass spectrum…

A: Given , (M) + mz =72 at base peak =65.0 %(M+1)mz=47 at base peak = 1.4 %

Q: Account for the presence of the following peak  in the mass spectrum of hexanoic acid,…

A: Given, m/z 60

Q: What is the name of the functional group present in the following IR spectrum? [CLO-4] 2.5 3 4. 7 8…

A:

Q: Determine the incorrect statement regarding the mass spectrometry of 2-pentanone and 3- pentanone…

A: McLafferty rearrangement:  In this fragmentation reaction, a hydrogen atom on a carbon 3 atoms away…

Q: The reaction of (Z)-2-pentene with water and a trace of H2SO4 forms two products. Identify the…

A: When (Z)-2-pentene react with water and a trace of H2SO4 forms the two isomeric products.…

Q: Label each of the attached in the mass spectrum of hexan-2-ol[CH3CH(OH)CH2CH2CH2CH3]: the molecular…

A: The molar mass of hexan-2-ol is 102. The molecular ion peak at m/z = 102. Base peak is the tallest…

Q: 2,3-Dimethylbutane and 2,2-dimethylbutane have the same molecular ion in the mass spectrum, but only…

A: a.

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.