Question

Which characteristic of the spectrum for (a) C9H10OC9H10O implies the presence of an aldehyde? Which characteristic...

Which characteristic of the spectrum for (a) C9H10OC9H10O implies the presence of an aldehyde?

Which characteristic of the spectrum for (a)  implies the presence of an aldehyde?

5 HH multiple peaks at δδ 7.2 - 7.4
1 HH doublet at δδ 9.7
1 HH multiplet at δδ 3.6 and 3 HH doublet at δδ 1.4
none of the above
0 0
Add a comment Improve this question Transcribed image text
Answer #1

The answer will be the option 2. In H - NMR aldehyde show a peak at highest chemical shift between 9 ppm to 10 ppmThe structure of the compound will be e ka h aldehydic 4 S = 9.7 ppm doublet due to Ha proton. CS Scanned with CamScanner

Add a comment
Know the answer?
Add Answer to:
Which characteristic of the spectrum for (a) C9H10OC9H10O implies the presence of an aldehyde? Which characteristic...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A compound, CyH,202, has an IR spectrum showing a peak at 1710 cm. Its 'H NMR...

    A compound, CyH,202, has an IR spectrum showing a peak at 1710 cm. Its 'H NMR spectrum has peaks at delta 1.3 (3 H, triplet), 4.3 (2 H, quartet), 6.5 (1 H, doublet), 7.4-7.6 (5 H, multiplet), and 7.7 (1 H, doublet). Draw its structure in the window below. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. . Do not include lone pairs in your answer. They will not be...

  • 6. Figure 21.13 (page 324) shows the IR spectrum of polystyrene. Which functional groups are present...

    6. Figure 21.13 (page 324) shows the IR spectrum of polystyrene. Which functional groups are present in polystyrene? Which bands tell you this information? (give approximate wavenumbers) Transmission IR ATR IR 500 4000 3500 3000 2500 2000 1500 1000 Wavenumbers (cm) FIGURE 21.13 Comparison of (top) a transmission spectrum of polystyrene with (bottom) an ATR spectrum of polystyrene. Strong peak between 1820-1600 cm 1? YES NO Carbonyl Present Look for "companion" peaks broad 3400-2400 cm! (O-H) Carboxylic Acid medium (maybe...

  • please provide detailed explanation of solution for thumbs up 6. Reaction Coordinate Diagrams (10 points) (a)...

    please provide detailed explanation of solution for thumbs up 6. Reaction Coordinate Diagrams (10 points) (a) Sketch an accurate energy diagram that meets the following criteria (4 points) SM - OM Int - P SM - Int is endergonic and the slowest step. overall SM + P is exergonic. al Free Energy (G) Reaction Coordinate (b) Label the transitions states in your diagram (2 points) (c) Indicate AG. for the overall transformation (2 points) (d) Indicate E. for each step...

  • Which of the characteristic stretches listed below would NOT show up in an IR spectrum of...

    Which of the characteristic stretches listed below would NOT show up in an IR spectrum of compound B shown below? NH comme le o to 8 A Et 1.CO 2.C-C 3.C-O 4.0-H 5. both 2 and 4

  • Label peaks and determine the structure of the aldehyde in the 1H NMR and 13C1H NMR:...

    Label peaks and determine the structure of the aldehyde in the 1H NMR and 13C1H NMR: pg 1H NMR of product from aldehyde Yin CDCI3 CHCI ppm Hz Intensity 17.73 3091.6 621.6 2 7.69 3075.7 690.3 3 7.59 3036.2 1108.5 4 7.57 3027.5 1199.0 5 6.98 2793.9 961.0 6 6.95 2779.9 1320.9 76.94 2778.0 1279.1 8 6.93 2771.1 1185.2 7.60 7.55 7.50 7.45 7.40 7.35 7.30 7.25 fl (ppm) 7.20 7.15 7.10 7.057.00 6.95 6.90 OK to group CHCl3 -...

  • 4. (4 points) Which of the structures shown below is consistent with its H-NMR spectrum? (formula...

    4. (4 points) Which of the structures shown below is consistent with its H-NMR spectrum? (formula = C9H110Br) 1 = multiplet 2 = multiplet 3 multiplet 4 triplet 5 - triplet 6 = quintet 11 TTTTTTTTTTT 10 9 8 7 6 5 3 2 ppm

  • all three numbers please 6. To collect an IR spectrum of your product, click on the...

    all three numbers please 6. To collect an IR spectrum of your product, click on the FTIR spectrometer located to the right of the lab bench and drag the salt plate icon to the flask on the lab bench. A window containing the FTIR spectrum for your product should now open. Identify the relevant absorptions in the IR spectrum and the functional group or bond that each corresponds to. Infrared Spectroscopy Data 1. S. 2 6. 3. 7. 4 8....

  • 4. (4 points) Which of the structures shown below is consistent with its H-NMR spectrum? (formula...

    4. (4 points) Which of the structures shown below is consistent with its H-NMR spectrum? (formula = C9H11OBr) 1 = multiplet 2 = multiplet 3 = multiplet 4 = triplet 5 = triplet 6 = quintet 11 10 9 8 7 s 4 3 į i o ppm

  • and draw the Structures Determine the Hydrogen Deficiency Index Challenges: C4H8O2 1.2 8: 3H triplet 3.0...

    and draw the Structures Determine the Hydrogen Deficiency Index Challenges: C4H8O2 1.2 8: 3H triplet 3.0 8: 2H quartet 3.6 8: 3H singlet CoH14 1.3 8: 9H singlet 7.2 8:5H multiplet C&H;N 3.7 8:2H singlet 7.2 8:5H singlet C.H.CI,O2 1.4 8: 3H triplet 4.3 8: 2H quartet 5.9 8: 1H singlet CsH1002 1.2 8:6H doublet 2.0 8:3H singlet 5.0 8: 1H septet 'H NMR Practice Problems Best thing is to first determine the Hydrogen Deficiency Index so you know the...

  • b) Which area of the spectrum did you focus on and which key piece of information...

    b) Which area of the spectrum did you focus on and which key piece of information (chemical shift, integration, or splitting pattern) helped you decide which spectrum belonged to which isomer? Please explain your responses. Reaction 1: Nitration HNO3 NO2 + + H2SO4, H20 NO2 toluene NO2 ortho meta para Spectrum For Peak A on GC For Peak B on GC For Peak Con GC Isomer Ortho Nitro Toluene Para Nitro Toluene Meta Nitro Toluene Proton NMR Spectrum for Peak...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT