Homework Answers
In terms of stability, the staggered conformation is more stable than the eclipses. This is for two reasons:
1) Steric hindrance. In the eclipsed conformation, the positioning of the atoms forces them closer together, increasing the amount of steric strain in the molecule.
2) Stabilization of the staggered conformation by hyperconjugation. So bulkier group present at eclipsed position can increase energy of confirmation so order of above confirmation are C<A<B<D
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Rank the following conformation in order of increasing energy. Put the lowest first. CH2CH3 CHCH HH-CH2CH,...
Rank conformations bcd from most stable to least stable (most stable first) DUH ΤΗ HH Conformation...
Rank conformations bcd from most stable to least stable (most
stable first)
DUH ΤΗ HH Conformation A Question 2 (1.5 pts] Rank conformations B, C and D from most stable to least stable (most stable first C(CH.CH2CH3)3 CH(CH3)2 X H H H HH А Conformation B Conformation C Conformation D Question 3 (1.5 pts) Which one of the following statements about structure E is correct?
Please explain why. A. Rank in order of increasing boiling point (1 = lowe order of...
Please explain why.
A. Rank in order of increasing boiling point (1 = lowe order of increasing boiling point (1 = lowest boiling point, 4 = highest boiling point). capabu Bollo poseerpomme B. Rank in order of increasing acidity (1 = least acidic, 4 = most acidic). C. Rank each isomer in order of increasing total strain energy (1 = lowest strain energy, 4 = highest strain energy). | HỌC CHỊ Ham Ham CH Roy Toft D. Rank in order...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C nec nec 20 cm H.C=C CH HC=C CH, (b) H.C=C NHCH, CHOCH, ОСН, (a) (c) (d) Teast reactive most reactive (ii) increasing stability. CH CH3 CH (a) (C) least stable most stable (iii) increasing heat of hydrogenation. CH,CH, CH=CH2 C H.CH O CH.CH CH3 CH,CH; CH,CH, (0) lowest heat of hydrogenation
Rank the following isomers in order of increasing heat of formation Highest heat of formation Lowest...
Rank the following isomers in order of increasing heat of formation Highest heat of formation Lowest heat of formation CH3 C-CH
1. Give IUPAC names for the following compounds: (b) CH2C=CCH2C=CCH2CH3 CH3 CH3CH2C=CCCH CHE (d) (c) CH3...
1. Give IUPAC names for the following compounds: (b) CH2C=CCH2C=CCH2CH3 CH3 CH3CH2C=CCCH CHE (d) (c) CH3 CH3 CH2CH=CC=CCHCH3 CH3 HCCCCH2C=CH CH₂ (e) H2C=CHCH=CHCECH (1) CH2CH3 CH3CH2CHCECCHCHCH, CH₂CH₂ CH₂ 2. Give the IUPAC names for each of the following: 3. Without consulting tables, arrange the following compounds in order of decreasing acidity: 1-Pentene Pentane 1-Pentanol 1-Pentyne
5. Put the following forms of light in order of increasing frequency (lowest frequency first): ultraviolet,...
5. Put the following forms of light in order of increasing frequency (lowest frequency first): ultraviolet, infrared, gamma rays, visible, radio, X-rays. Put them in order of increasing wavelength (shortest wavelength first). Put them in order of increasing energy (lowest energy first)
Rank the following compounds in order of increasing boiling point, putting the compound with the lowest...
Rank the following compounds in order of increasing boiling point, putting the compound with the lowest boiling point first. CH له HO1 ما با C A. B<E < D < < A OB. E<B<D<C<A OC. B<E < C D < A OD. E<B<<D <A
Rank the following compounds in order of increasing acidity. 2.38 NH, H2O, HF b. HBr, HCI,...
Rank the following compounds in order of increasing acidity. 2.38 NH, H2O, HF b. HBr, HCI, HF c. H2O, H,0", HO d. NH, H2O, H2S e. CH3OH, CH,NH2, CH,CH f. HCI, H2O, HaS g. CH,CH2CHa, CICH CH2OH, CH,CH2OH h. HC CCH2CH3, CH3CH2CH2CHs, CH3CH CHCH a.
Arrange the following Newman projections in order of increasing stability (least stable first). H3C CH3 CH3...
Arrange the following Newman projections in order of increasing stability (least stable first). H3C CH3 CH3 CH3 HC CH CYCH н кX CXн Х TH CHE сн. CH3 o B,D,A.C o D, B, A, C O A, B, D, C o C, B, D, A What is the structure of intermediate 1? BD, HC THA CHA CHA Product Nou H2O, NaOH |
1) Rank the following compounds in order of increasing oxidation level (from lowest to highest. CH...
1) Rank the following compounds in order of increasing oxidation level (from lowest to highest. CH COOH CHCHs CHsCHO CH:-CH2 12) What is the starting material in the following reaction? Br H2, Lindlar's cat. Br2 Br D)IV C)111 B) 11 A)1
Rank conformations bcd from most stable to least stable (most
stable first)
DUH ΤΗ HH Conformation A Question 2 (1.5 pts] Rank conformations B, C and D from most stable to least stable (most stable first C(CH.CH2CH3)3 CH(CH3)2 X H H H HH А Conformation B Conformation C Conformation D Question 3 (1.5 pts) Which one of the following statements about structure E is correct?
Please explain why.
A. Rank in order of increasing boiling point (1 = lowe order of increasing boiling point (1 = lowest boiling point, 4 = highest boiling point). capabu Bollo poseerpomme B. Rank in order of increasing acidity (1 = least acidic, 4 = most acidic). C. Rank each isomer in order of increasing total strain energy (1 = lowest strain energy, 4 = highest strain energy). | HỌC CHỊ Ham Ham CH Roy Toft D. Rank in order...
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C nec nec 20 cm H.C=C CH HC=C CH, (b) H.C=C NHCH, CHOCH, ОСН, (a) (c) (d) Teast reactive most reactive (ii) increasing stability. CH CH3 CH (a) (C) least stable most stable (iii) increasing heat of hydrogenation. CH,CH, CH=CH2 C H.CH O CH.CH CH3 CH,CH; CH,CH, (0) lowest heat of hydrogenation
Rank the following isomers in order of increasing heat of formation Highest heat of formation Lowest heat of formation CH3 C-CH
1. Give IUPAC names for the following compounds: (b) CH2C=CCH2C=CCH2CH3 CH3 CH3CH2C=CCCH CHE (d) (c) CH3 CH3 CH2CH=CC=CCHCH3 CH3 HCCCCH2C=CH CH₂ (e) H2C=CHCH=CHCECH (1) CH2CH3 CH3CH2CHCECCHCHCH, CH₂CH₂ CH₂ 2. Give the IUPAC names for each of the following: 3. Without consulting tables, arrange the following compounds in order of decreasing acidity: 1-Pentene Pentane 1-Pentanol 1-Pentyne
Rank the following compounds in order of increasing boiling point, putting the compound with the lowest boiling point first. CH له HO1 ما با C A. B<E < D < < A OB. E<B<D<C<A OC. B<E < C D < A OD. E<B<<D <A
Rank the following compounds in order of increasing acidity. 2.38 NH, H2O, HF b. HBr, HCI, HF c. H2O, H,0", HO d. NH, H2O, H2S e. CH3OH, CH,NH2, CH,CH f. HCI, H2O, HaS g. CH,CH2CHa, CICH CH2OH, CH,CH2OH h. HC CCH2CH3, CH3CH2CH2CHs, CH3CH CHCH a.
Arrange the following Newman projections in order of increasing stability (least stable first). H3C CH3 CH3 CH3 HC CH CYCH н кX CXн Х TH CHE сн. CH3 o B,D,A.C o D, B, A, C O A, B, D, C o C, B, D, A What is the structure of intermediate 1? BD, HC THA CHA CHA Product Nou H2O, NaOH |
1) Rank the following compounds in order of increasing oxidation level (from lowest to highest. CH COOH CHCHs CHsCHO CH:-CH2 12) What is the starting material in the following reaction? Br H2, Lindlar's cat. Br2 Br D)IV C)111 B) 11 A)1
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