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Question 5 1 pts Given the IR frequencies (1734, 1250 and 1080 cm ), which functional...
Question 5 1 pts Given the IR frequencies (1734, 1250 and 1080 cm 2), which functional group is represented? sp2 carbon alcohol group epoxide amine carbonyl group
Which functional group is not int olecule represented by the IR spectrum shown below? L abo LLLLLLLL e alcohol (O-H) espC-H groups carbonyl group (C=0) alkyne group (carbon-carbon triple bond)
Can someone please explain this? Characteristic IR Absorptions of Some Functional Groups Functional Group Absorption (cm) Functional Group Absorption (cm"!) Alkene Alkane C-H 2850-2960 =C-H 3020-3100 C-C 800-1300 1640-1680 C=C RCH=CH2 Alkyne 910 and 990 =C-H 3300 R2C=CH2 890 2100-2260 C=C Alcohol O-H C-O Alkyl halide C-C1 3400-3650 600-800 1050-1150 C-Br 500-600 Amine Arene C-H N-H 3300-3500 3030 C-N 1030-1230 1660-2000 1450-1600 Aldehyde Ketone 1730 1715 1705 1690 Non-conjugated C-0 Conjugated C=0 Carboxylic acid C=0 Non-conjugated C-0 Conjugated C=0 Amide...
Question 10 (1 point) In an IR spectrum, if you want to know whether a carbonyl group is present or absent, which wavenumber range should you look into? 3600-3200 cm-1 O 3100-3000 cm-1 O 2850-2700 cm-1 1750-1630 cm-1 1250-1100 cm-1
Which IR is showing the product of a dehydration of cyclohexanol? (alkene functional group) and what is the functional group/compound represented in the other IR? Please explain how to find them/the key peaks. Thank you! Infrared Spectrum A mm mm 100 Wavenumbers (cm-1) B Infrared Spectrum Wavnumbers cm)
QUESTION 38 > Which functional group does this molecule has? OH alcohol group O carboxylic acid group O aldehyde group O amide group O alkyl group QUESTION 39 QUESTION 37 > Which functional group(s) does this molecule have? HO CH3 O aromatic O alcohol amine O a & b O a &c QUESTION 38 Click Save and Submit to save and submit. Click Save All Answers to sa
Look at the given IR spectra for compound W. Determine what kinds of bonds/functional group are present and select present/absent. Alcohol / Secondary Amine (O-H / N-H) present or absent Carboxylic Acid (O-H) present or absen Primary Amine (-NH2) present", "absent Alkyne (C-H) present", "absent Alkene (=C-H) present", "absent" Alkane (C-H) present", "absent" Aldehyde (C-H) present", "absent" Triple bond (CC or CN) present", "absent" Carbonyl (C=O) present", "absent" Alkene (C=C) present", "absent" Alkane (C-C) present or...
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...
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...
Question 7 1 pts What type of functional group is shown below? NH2 Alkyne Alkene Amine Carboxylic Acid Alcohol Ester Amide