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ucun co The C-o absorption in carboxylic acids appears around 1250 cm 1. The C-0 absorption...
A carbon carbon single bond has a vibrational stretch around 1000 cm–1, a C=C double bond...
A carbon carbon single bond has a vibrational stretch around 1000 cm–1, a C=C double bond stretch appears around 1500-1600 cm–1, and a triple bond is around 2000 cm–1. Which one requires the highest energy to make it vibrate?
1. An amino acid is shown below. Draw a circle around the carboxylic acid group, a square around the side chain and...
1. An amino acid is shown below. Draw a circle around the carboxylic acid group, a square around the side chain and a triangle around the amino group. Finally, put an asterisk next to the C-carbon. HC=0 -C-C-H HNH3+ 2. Consider the molecule below (C&H BINO). After downloading Imol and the molecule files to your computer, measure the values of the indicated bond and torsional angles. CCN HOC = HO 1 OCCC - OCCBr =
Can someone please explain this? Characteristic IR Absorptions of Some Functional Groups Functional Group Absorption (cm)...
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...
Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500...
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...
a 5). Write the products for the jonization of the following carboxylic acids in 1. CH3-CHz-6-0H+H0...
a 5). Write the products for the jonization of the following carboxylic acids in 1. CH3-CHz-6-0H+H0 = ..OH + H₂O 2. benzoic acid + H2O = 0 Write the products and names for each of the following reactions: 1.o + xood – 1. CH-CH2-C-OH + NaOH - Okt 2 comic nie + KOH - A lok - A-cookt Write the products of the following reactions: 1. CH ----OH + CH2-OHH. 2. H-c-OH + CH3-CH --OHH. OH + HOẠCH, H. 4....
1) Name the following carboxylic acids (use both IUPAC and common names): ОН ОН (b) (c)...
1) Name the following carboxylic acids (use both IUPAC and common names): ОН ОН (b) (c) ОН ОН (d) Br ОН ОН NH2 2) Draw the condensed and line structures for the following compounds (a) 3,4-dimethylhexanoic acid (b) Phenylacetic acid (c) 3,4-dinitrobenzoic acid (d) 2,2,3-triflurobutanoic acid (e) 3-hydroxybutanoic acid (1) o-hydroxybenzoic acid (g) a-aminopropionic acid 3) Name the following dicarboxylic acids (use both IUPAC and common names) Он (а) НО ОН НО. (b) он ОН ОН (d) ОН он ОН...
Due on February 6th at 9:00 am in 103 Williams, No Exceptions, No Excuses 1. Draw...
Due on February 6th at 9:00 am in 103 Williams, No Exceptions, No Excuses 1. Draw all the important resonance structures for the following ion showing all lone pairs of electrons, formal charges and double bonds. Show the electron flow by using arrows for full credit (6 points) For 1 bonus point label the resonance structure that is the most stable of the four below. 2. Fill in the boxes with the letter of the functional groups present in the...
Functional Groups Alcohol O-H Wavelength range, cm-1 3000-3500 Signal strength Broad peak Carboxylic acid O-H 2500-3500...
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: _...
What is the product of this reaction sequence? 1. Br2, Acetic Acid 2. Pyridine = 0...
What is the product of this reaction sequence? 1. Br2, Acetic Acid 2. Pyridine = 0 ОВ 10 AM 2 . 331/2020 17 nom m 9 r o The IR spectrum of a compound which shows a very broad absorption over the range 2500 to 3500 cm-1 as well as a strong absorption at 1720 cm-1 is: a ketone an alcohol an aldehyde a carboxylic acid Which mechanism is correct for the first step in the conversion of a primary...
Under each of the following molecules, write its classification its number of C and O Then...
Under each of the following molecules, write its classification its number of C and O Then under two of molecules, write: "most soluble and soluble in water" and "least soluble in water" "highest boiling point" and "lowest boiling point" At each of the following pairs of fatty acids or carboxylic acids, circle or highlight the acid that has higher melting point. Palmitic acid (C16:0) and Stearic acid Oleic acid and Stearic acid (C18:0) Oleic acid (C18:1) and Linolenic acid (C18:3)...
1. An amino acid is shown below. Draw a circle around the carboxylic acid group, a square around the side chain and a triangle around the amino group. Finally, put an asterisk next to the C-carbon. HC=0 -C-C-H HNH3+ 2. Consider the molecule below (C&H BINO). After downloading Imol and the molecule files to your computer, measure the values of the indicated bond and torsional angles. CCN HOC = HO 1 OCCC - OCCBr =
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...
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...
a 5). Write the products for the jonization of the following carboxylic acids in 1. CH3-CHz-6-0H+H0 = ..OH + H₂O 2. benzoic acid + H2O = 0 Write the products and names for each of the following reactions: 1.o + xood – 1. CH-CH2-C-OH + NaOH - Okt 2 comic nie + KOH - A lok - A-cookt Write the products of the following reactions: 1. CH ----OH + CH2-OHH. 2. H-c-OH + CH3-CH --OHH. OH + HOẠCH, H. 4....
1) Name the following carboxylic acids (use both IUPAC and common names): ОН ОН (b) (c) ОН ОН (d) Br ОН ОН NH2 2) Draw the condensed and line structures for the following compounds (a) 3,4-dimethylhexanoic acid (b) Phenylacetic acid (c) 3,4-dinitrobenzoic acid (d) 2,2,3-triflurobutanoic acid (e) 3-hydroxybutanoic acid (1) o-hydroxybenzoic acid (g) a-aminopropionic acid 3) Name the following dicarboxylic acids (use both IUPAC and common names) Он (а) НО ОН НО. (b) он ОН ОН (d) ОН он ОН...
Due on February 6th at 9:00 am in 103 Williams, No Exceptions, No Excuses 1. Draw all the important resonance structures for the following ion showing all lone pairs of electrons, formal charges and double bonds. Show the electron flow by using arrows for full credit (6 points) For 1 bonus point label the resonance structure that is the most stable of the four below. 2. Fill in the boxes with the letter of the functional groups present in the...
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: _...
What is the product of this reaction sequence? 1. Br2, Acetic Acid 2. Pyridine = 0 ОВ 10 AM 2 . 331/2020 17 nom m 9 r o The IR spectrum of a compound which shows a very broad absorption over the range 2500 to 3500 cm-1 as well as a strong absorption at 1720 cm-1 is: a ketone an alcohol an aldehyde a carboxylic acid Which mechanism is correct for the first step in the conversion of a primary...
Under each of the following molecules, write its classification its number of C and O Then under two of molecules, write: "most soluble and soluble in water" and "least soluble in water" "highest boiling point" and "lowest boiling point" At each of the following pairs of fatty acids or carboxylic acids, circle or highlight the acid that has higher melting point. Palmitic acid (C16:0) and Stearic acid Oleic acid and Stearic acid (C18:0) Oleic acid (C18:1) and Linolenic acid (C18:3)...
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