Options (select all that apply): amine (N-H) alcohol (O-H) carboxylic acid (O=C-O-H) carbonyl (C=O) unsaturation (C=C...
For each spectrum, state the functional groups
present (alcohol, acid, amine and/or carbonyl- aldehyde, ketone,
amide, ester) and state which C-H bond (aliphatic,
alkene, alkyne and/or benzene- ortho, para, meta) is present.
1.
2.
HAVENUMERI DOST 2000 u Wher 4000 3000 1500 NAVENUMERI
Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500 Broad peak Amine N-H 3300-3500 Broad but half the size of OH Alkyl -C-H 2850-3000 Sharp, medium Alkene =C-H 3000-3100 Sharp, medium 3200-3300 Sharp, strong Sharp, weak Alkyne CEC 2100-2300 Nitrile CEN 2100-2300 Sharp, strong Carbonyl C=0 1650-1750 Sharp, strong Alkene C=C 1600-1650 Sharp, strong Aromatic C=C 1450-1600 Sharp, strong on : The followings are IR spectra of benzocaine, trans-cinnamic acid and biphenyl. Identify...
Data Interpretation - IR Based on the following infrared spectrum: LOD TRANSHETTANCE1% D+ 4000 3000 2000 1500 1000 500 HAVENUHBERI-1 Which of the following functional groups appear in the molecule? Select one or more: Carbonyl group (C=0) Alkene bond (C=C) Hydroxyl group (O-H) Amine group (N-H)
Determine the unsaturation number (UN#) for the unknown
compounds using the molecular formula. Determine the functional
groups present in the IR spectrum
Determine the final structure of the unknown
Spectra Set #5 C8H10 & 8 R S 2925 8 Transmittance 8 3032 8 note that the aromatic C-H stretches are to the left of 3000, and the alkyl C-H stretches are to the right of 3000 0 4000 2000 Wavenumbers (cm-1) 7 6 5 PPM
Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500 Broad peak Amine N-H 3300-3500 Broad but half the size of OH Alkyl -C-H 2850-3000 Sharp, medium Alkene =C-H 3000-3100 Sharp, medium Sharp, strong 3200-3300 2100-2300 Alkyne CEC Sharp, weak Nitrile CEN 2100-2300 Sharp, strong Carbonyl C=0 1650-1750 Sharp, strong Alkene C=C 1600-1650 Sharp, strong Sharp, strong Aromatic CEC 1450-1600 IR of trans-cinnamic acid (10 points): 2.500-350 15 00 3067 3017 1686 OH: _...
Compound X ransmitance 4000 3000 2000 1000 500 1500 Wavenumbers Look at the given IR spectra for compound X. Determine what kinds of bonds/functional group are present and select present/absent. Alcohol / Secondary Amine (O-H/N-H) Carboxylic Acid (O-H) Primary Amine (-NH2) Alkyne (C-H) Alkene (=C-H) Alkane (C-H) Aldehyde (C-H) Triple bond (CC or CN) Carbonyl (C=0) Alkene (C=C) Alkane (C-C) Look at the given compounds. Determine if each could have given the above spectrum. It's possible that more than one...
please help with all parts
IR of Biphenyl (4 points): BIPHENYL INFRARED SPECTRUM Transmitance 3038/ 3034 1591 14.99 S000 2000 Wavenumber (cm-1) Alkene/Aromatic C-H: Aromatic C=C: Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500 Broad peak Amine N-H 3300-3500 Broad but half the size of OH Alkyl -C-H 2850-3000 Sharp, medium Alkene =C-H 3000-3100 Sharp, medium 3200-3300 Sharp, strong Alkyne CEC 2100-2300 Sharp, weak Nitrile CEN 2100-2300 Sharp, strong Carbonyl C=0 1650-1750...
1. Infrared spectra analysis a. Label important functional groups above 1500 cm anthraldehyde acid. in the IR spectrum of 9- 2000 b. Label important functional groups above 1500 cm Wittig product: in the IR spectrum of the WIN 1000 cm-1 2000 C. Based on the differences between the starting material and product spectra, how do we know the product was actually formed?: b. Label important functional groups above 1500 cm in the IR spectrum of the Wittig product: 304871 cm...
Look at the given IR spectra for compound Z. Determine what kinds of bonds/functional group are present and select present/absent. Alcohol/ Secondary Amine (O-H/N-H) [Select] Carboxylic Acid (O-H) [ Select ] , Primary Amine (-NH2) [ Select] A Alkyne (C-H) [Select] Alkene (=C-H) (Select] Alkane (C-H) (Select] Aldehyde (C-H) (Select ] Triple bond (CC or CN) [Select] A Carbonyl (C=O) (Select] Alkene (C=C) [ Select] Alkane (C-C) [ Select ] 9 Look at the given compounds. Determine if each could...
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...