Predict the masses and the structures of the most abundant fragments observed in the mass spectra of the following compounds (a) 2-methylpentane (d) 2-methyl-1-phenylpropane (b) 3-methylhex-2-ene (e) cyclohexyl isopropyl ether [cyclohexyl-0-CH(CH,),] (c) 4-methylpentan-2-ol *(h) 3-bromo-2-methylpentane () CH;CH,CH,NHC(CH3)3 tert-butyl propyl amine CH3 acetophenone

Q: Whatie the thasreticat yiekt of 2 mehy tene MW7813 git 2 gim)y ed 23 sio2 ayutane M 1 sma A кон CI…

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Q: Select all the compounds that exhibits a proton spectrum with only one signal.

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Q: 10. The molecular formula of the unknown is C,H,N. Deduce the structure using the given spectra.

A: Here Given that, The molecular formula of a compound is C9H9N. So the degree of unsaturation in the…

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A: Formula for determining  degree of unsaturation of a molecule    Cn Hx Ny Oz        = n - ( x/2 )…

Q: What is the KE of translational androtational motions,in RT units, for(CN)2 and H2O?   a.(CN)2 :…

A: We deals with three degree of freedom Rotational, Vibrational and Rotational. Degree Of Freedom…

Q: The signal at 2.9 ppm is a [ quartet/ pentet/ sextet/ septet/ octet/ nonet ] and is the [ C/ CH/…

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A: Given that, Where is the OH signal of a carboxylic acid appear in FTIR=?

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Q: Can you draw the structure for the compound? There is no integration value given for peak D.

A: In the given question we have to predict the structure of the compound.To predict the structure of…

Q: % Transmittance Relative abundance 80- 60- 40- to 20- 0.0 100- 80- 60- 20- 0.0 4000 3500 3000 2500…

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Q: why are there only two singlets in the 1H NMR of Gly-Gly (i.o.w. where are the proton signals for…

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Q: With FTIR, where would you expect to see a peak for the Csp2-H stretch

A: To determine  a peak for the Csp2-H stretch in given molecule in IR spectra

Q: Which IR spectrum below is consistent with a carboxylic acid? 100 100 80 60 40 1500 1000 2500 2000…

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Q: SO3H D₂O, conc. D₂SO4, 100° C 1) Br2, FeBr3 (1 eq), 0° C 2) H₂O, conc. H₂SO4, 100° C 3) HNO3 (1 eq),…

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Q: (g-h) (i-j) (k-1) (m-n) (0) (p) & NH Br (q) CH3- 1. KOH 2. NaNH, NH3 excess CH3OH CI CI +H CH3OH, H+…

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Q: 50. 0 3000 2000 EVEN 1100 1000 m 100

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Q: 5. Hence show that: OU (hv exp(-ẞhv)) hv exp(-2ẞhv) =-3Nhv + oß (1-exp(-ßhv)) (1-exp(-ẞhv)) Hint 1:…

A: (∂β∂U​)V​=−3Nhv[(1−exp(−βhv))2hvexp(−βhv)​+(1−exp(−βhv))2hv​]This is consistent with the given…

Q: Abeywick... My Home C Ebooks -... Chegg Expert Q&A Find solutions to your homework Question Exercise…

A: The question is about splitting pattern

Q: 5 correspond to group A, B, C, D, or E on structure B

A: The peak 5 is of methyl groups as the lower chemical shifts (<1) indicates it.

Q: how many cross peaks would we see in HSQC spectrum of cyclohexanone ?

A: HSQC shows one bond H-C coupling. So, number of cross peak in HSQC number of a compound = number of…

Q: Determine the following for each MS spectrum. 1) Determine the molecular ion peak. 2) Determine if…

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Q: OHz SOHZ OHz SOHZ CH `CH–C-CH CH 2.78 2.68 1.28 1.18 10

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Q: From the spectra A-J and in the NMR Spectra tile, select the letter that corresponds to  1. methyl…

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Q: The multiplicity for H-b signal will a a b a O doublet triplet quartet pentet sextet septet 'Br 2020

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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.