Homework Answers
Names of isomers and conformer are given below:
- 2-methlypentane or Isohexane
- Benzene
- 1-hexene
- Butane in guche-conformer at dihedral angle 60 ° and 300 ° . whereas, Butane is in anti-conformation at 180 °. Butane is in eclipsed-conformation at 120 ° and 240 ° and Butane in totally eclipsed-conformation at 0 ° and 360 °.
- Ethane
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Key for Bonds: - single bond = double bond = triple bond Name the constitutional (structural)...
Why are double bonds and triple bonds shorter than single bonds?
1. Why are double bonds and triple bonds shorter than single bonds? 2. VSEPR geometry predicts that the bond angles in formaldehyde (CH20), a trigonal planar molecule, will be 120° throughout all three angles. However, analysis showed that the H-C-H bond angle is slightly smaller at 116.5°, while the two H-C-O angles are slightly larger at 121.8°. Explain this difference in the predicted bond angle vs actual bond angle. 3. VSEPR geometry also predicts that the bond angles in tetrahedral molecules is...
nstitutional Isomer #5 Molecular Formula: CsH200, Calculate Units of Unsaturation Structural Hints for isomer A: 1)...
nstitutional Isomer #5 Molecular Formula: CsH200, Calculate Units of Unsaturation Structural Hints for isomer A: 1) 5-membered ring 2) Must have a Weak acid group 3) Only 3 methylene fragments that are connected to one methine fragment in this molecule Structural Hints for isomer B: 1) One Triple bond 2) 3 equivalent methyl groups Draw Isomer A Draw Isomer B Constitutional Isomer Molecular Formula: C8H240, Calculate Units of Unsaturation Structural Hints: 1) Only 4 methyl groups 2) Only 1 methylene...
i drew mine but it says wrong. plz help Draw a structural formula for the major...
i drew mine but it says wrong. plz help
Draw a structural formula for the major product of the reaction shown. CH3 Brz H20 • Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring, • Do not show stereochemistry in other cases. . If the reaction produces a racemic mixture, just draw one stereoisomer. C®-///.000 - IF ChemDoodle Draw a structural formula for the product formed upon hydroboration oxidation of the alkene...
Name: Doom! CH3 Part 2: Isomers - Pairs of compounds. Structural Isomers: 1. Use your model...
Name: Doom! CH3 Part 2: Isomers - Pairs of compounds. Structural Isomers: 1. Use your model kit and build both of these structure. CH3 CH3-CH2-CH2 CH3-CH-CHE A. B. 1 What is the molecular formula for compound A? What is the molecular formula for compound B? - Without breaking any bonds, is it possible to convert A into B? Would the two compounds have identical properties?! What is the IUPAC name for compound A? What is the IUPAC name for compound...
Which of the following is not true concerning the structure of benzene? 1) All C-C-C bond...
Which of the following is not true concerning the structure of benzene? 1) All C-C-C bond angles are exactly 120'. 2) The carbon-carbon bonds rapidly alternate between single and double bonds. 3) The six hydrogens are equivalent. 4) The i bonds are completely conjugated. Where would the compound shown below undergo bromination with Brz/FeBrz? 1-14 ring 1 ring 2 1) ortho/para positions on ring 1 2) meta position on ring 1 3) ortho/para position on ring 2 4) meta position...
Week 10- Constitutional isomers Constitutional isomers have the same molecular formula, but their atoms are bonded...
Week 10- Constitutional isomers Constitutional isomers have the same molecular formula, but their atoms are bonded in different orders. These may be further distinguished as chain isomers, which differ only in hydrocarbon chain structure, positional isomers, which differ in the location of a functional group, and functional group isomers which differ in the nature of their functional groups. Typically chain and position isomers show only modest differences in their physical and chemical properties, while functional group isomers differ greatly from...
[Review Topics) Draw a structural formula for the major organic product of the following reaction: +...
[Review Topics) Draw a structural formula for the major organic product of the following reaction: + Cl2 CH2Cl2 • Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. • Do not show stereochemistry in other cases. If enantiomers are formed, just draw one. @-/ - 000- F Retete Draw a structural formula for the intermediate in the following reaction: che & Biz Chick You do not have to consider stereochemistry. You do...
Can you answer the questions given in the photos above? The sec-butyl cation can react as...
Can you answer the questions given in the photos
above?
The sec-butyl cation can react as both a Lewis acid and a Brønsted- Lowry acid in the presence of a water-sulfuric acid mixture. In each case, however, the product is different. The two reactions are: 2. H2o +H3O+ a. In which reaction does this cation react as a Lewis acid? In which does it react as a Brønsted-Lowry acid? b. Write Lewis structures for reactants and products and show by...
A) H20 c) нсоз- E) H2CO3 DOH. 22) Which of the following statements correctly describes the...
A) H20 c) нсоз- E) H2CO3 DOH. 22) Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A) In acids, [OH-] is greater than [H3O* B) In bases, [OH-]- [H3o*]. C) In neutral solutions, [H3O"] = [H20]. D) In bases, [OH-] is greater than [H3o*]. E) In bases, [OH-] is less than [H30*]. 23) Which of the following is a buffer system? A) NaCl(aq) and NaNO3(aq) C) H2CO3(aq) and KHCO3 (aq) E) H20(0) and HCl(aq)...
HELP What is the common UPAC name for the following compound? 1 нс b) 1-methyl-3-cyclohexene d)...
HELP
What is the common UPAC name for the following compound? 1 нс b) 1-methyl-3-cyclohexene d) 1-methyl-4-cyclohexene a) 5 methylcyclohexene c 4 methylcyclohexene Methylcyclohexene e) Which of the following is capable of exhibiting cis-trans isomerism? a) 1-pentene 2. b) 1-butene c) 2- pentene d) Cyclohexene e) Ethene What is the relationship between the following compounds: 3. Н,с a) Conformational isomers b) Constitutional isomers c) Configurational isomer d) Structural isomers e) Positional isomers Which of the following is the most stable...
1. Why are double bonds and triple bonds shorter than single bonds? 2. VSEPR geometry predicts that the bond angles in formaldehyde (CH20), a trigonal planar molecule, will be 120° throughout all three angles. However, analysis showed that the H-C-H bond angle is slightly smaller at 116.5°, while the two H-C-O angles are slightly larger at 121.8°. Explain this difference in the predicted bond angle vs actual bond angle. 3. VSEPR geometry also predicts that the bond angles in tetrahedral molecules is...
nstitutional Isomer #5 Molecular Formula: CsH200, Calculate Units of Unsaturation Structural Hints for isomer A: 1) 5-membered ring 2) Must have a Weak acid group 3) Only 3 methylene fragments that are connected to one methine fragment in this molecule Structural Hints for isomer B: 1) One Triple bond 2) 3 equivalent methyl groups Draw Isomer A Draw Isomer B Constitutional Isomer Molecular Formula: C8H240, Calculate Units of Unsaturation Structural Hints: 1) Only 4 methyl groups 2) Only 1 methylene...
i drew mine but it says wrong. plz help
Draw a structural formula for the major product of the reaction shown. CH3 Brz H20 • Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring, • Do not show stereochemistry in other cases. . If the reaction produces a racemic mixture, just draw one stereoisomer. C®-///.000 - IF ChemDoodle Draw a structural formula for the product formed upon hydroboration oxidation of the alkene...
Name: Doom! CH3 Part 2: Isomers - Pairs of compounds. Structural Isomers: 1. Use your model kit and build both of these structure. CH3 CH3-CH2-CH2 CH3-CH-CHE A. B. 1 What is the molecular formula for compound A? What is the molecular formula for compound B? - Without breaking any bonds, is it possible to convert A into B? Would the two compounds have identical properties?! What is the IUPAC name for compound A? What is the IUPAC name for compound...
Which of the following is not true concerning the structure of benzene? 1) All C-C-C bond angles are exactly 120'. 2) The carbon-carbon bonds rapidly alternate between single and double bonds. 3) The six hydrogens are equivalent. 4) The i bonds are completely conjugated. Where would the compound shown below undergo bromination with Brz/FeBrz? 1-14 ring 1 ring 2 1) ortho/para positions on ring 1 2) meta position on ring 1 3) ortho/para position on ring 2 4) meta position...
Week 10- Constitutional isomers Constitutional isomers have the same molecular formula, but their atoms are bonded in different orders. These may be further distinguished as chain isomers, which differ only in hydrocarbon chain structure, positional isomers, which differ in the location of a functional group, and functional group isomers which differ in the nature of their functional groups. Typically chain and position isomers show only modest differences in their physical and chemical properties, while functional group isomers differ greatly from...
[Review Topics) Draw a structural formula for the major organic product of the following reaction: + Cl2 CH2Cl2 • Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. • Do not show stereochemistry in other cases. If enantiomers are formed, just draw one. @-/ - 000- F Retete Draw a structural formula for the intermediate in the following reaction: che & Biz Chick You do not have to consider stereochemistry. You do...
Can you answer the questions given in the photos
above?
The sec-butyl cation can react as both a Lewis acid and a Brønsted- Lowry acid in the presence of a water-sulfuric acid mixture. In each case, however, the product is different. The two reactions are: 2. H2o +H3O+ a. In which reaction does this cation react as a Lewis acid? In which does it react as a Brønsted-Lowry acid? b. Write Lewis structures for reactants and products and show by...
A) H20 c) нсоз- E) H2CO3 DOH. 22) Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A) In acids, [OH-] is greater than [H3O* B) In bases, [OH-]- [H3o*]. C) In neutral solutions, [H3O"] = [H20]. D) In bases, [OH-] is greater than [H3o*]. E) In bases, [OH-] is less than [H30*]. 23) Which of the following is a buffer system? A) NaCl(aq) and NaNO3(aq) C) H2CO3(aq) and KHCO3 (aq) E) H20(0) and HCl(aq)...
HELP
What is the common UPAC name for the following compound? 1 нс b) 1-methyl-3-cyclohexene d) 1-methyl-4-cyclohexene a) 5 methylcyclohexene c 4 methylcyclohexene Methylcyclohexene e) Which of the following is capable of exhibiting cis-trans isomerism? a) 1-pentene 2. b) 1-butene c) 2- pentene d) Cyclohexene e) Ethene What is the relationship between the following compounds: 3. Н,с a) Conformational isomers b) Constitutional isomers c) Configurational isomer d) Structural isomers e) Positional isomers Which of the following is the most stable...
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