#11 Cis and trans isomers of alkenes A. have identical chemical formulas B. are stereoisomers C....
#11 Cis and trans isomers of alkenes
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A. have identical chemical formulas |
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B. are stereoisomers |
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C. are constitutional isomers |
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A,. B, and C |
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A and B |
#12 Diethyl ether and butanol have identical chemical formulas. How do their physical properties compare?
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they will be somewhat similar |
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they will be identical |
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they will be quite different |
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this cannot be predicted |
#13 How many isomers (cis and trans) exist for 2-methyl-1-butene?
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four |
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two |
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one |
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none |
#15 The reaction of cyclohexene with HBr gives
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1-bromo-2-hydrocyclohexane |
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o-bromocyclohexane |
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bromocyclohexane |
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no reaction |
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#11 Cis and trans isomers of alkenes
A. have identical chemical formulas
B. are stereoisomers
C....
#4. 2-pentene and 2-methyl-2-butene are not isomers stereoisomers constitutional isomers cis and trans isomers #6. Bromination...
#4. 2-pentene and 2-methyl-2-butene are not isomers stereoisomers constitutional isomers cis and trans isomers #6. Bromination of cyclohexene gives 1,2-dibromocyclohexane 1,1-dibromocyclohexane bromocyclohexane 1,2-dibromocyclohexene
Which of the following compounds can have cis and trans isomers? 2-Methyl-2-butene Propene 0 1-Butene 1,2-Dichloro-1-Bu...
Which of the following compounds can have cis and trans isomers? 2-Methyl-2-butene Propene 0 1-Butene 1,2-Dichloro-1-Bu What is the correct molecular formula of 2,4-Diethyltouleno OCHA 0 C₂ H₂2 G H C:oH20 18 Which of the following compounds can have cis and trans isomers? 1-Butene 2-Methyl-2-butene 1,2-Dichloro-1-Butene Propene CH3CHBr2 is obtained from O Reaction of ethyne with one mole of HBr O Reaction of ethyne with one mole of Br2 Reaction of ethyne with two moles of Br2 Reaction of ethyne...
Molecules that differ in configuration CANNOT be: a. stereoisomers b. cis-trans isomers c. chiral centers that...
Molecules that differ in configuration CANNOT be: a. stereoisomers b. cis-trans isomers c. chiral centers that are mirror images of each other d. enantiomers e. chiral centers that can be interchanged by rotation of a single bond
cdn.inst-fs-lad-prod.inscloudgate.net a) constitutional isomers c) stereoisomers b) cis-trans isomers d) none of these 45) There are...
cdn.inst-fs-lad-prod.inscloudgate.net a) constitutional isomers c) stereoisomers b) cis-trans isomers d) none of these 45) There are 3 functional groups present on this molecule. Name them: HOCH, a) aromatic c) ketone b) alcohol d) aldehyde 46) The name for this molecule is _? a) ethanone c) ethanol CH3-C-H b) ethanal d) ethanoic acid 47) The name for this molecule is_? Н-С-ОН a) methanone c) methanol b) methanal d) methanoic acid 48) The name for this molecule is_? HC -CH, a) propanone...
questions 29 & 30 28 Я B Cis-trans isomers are diastereomers enantiomers stereoisomers constitutional isomers More...
questions 29 & 30
28 Я B Cis-trans isomers are diastereomers enantiomers stereoisomers constitutional isomers More than one of these choices 29 Pairs of enantiomers are CH3 H. CC CH2CH2CH3 CHE CH CH.CH2CH3 HCC CH2CH2CH3 CH2CH.CH HACCI CHCI HH CH2CH.CH IV I, I and III, IV III, IV IV, V None of the structures. 30 (R)-2-Chlorobutane is represented by CH3 CH3 CH2CH3 CHCI Нccici--cн, Насісін, сісі HH CH.CH, CH.CH CH.CH CH.CH BEKIODIC IVBTE OLIHE ETENEK А | DIV E v
including cis- trans isomers, how many different alkenes have the molecular formula C 4H 8? a.3...
including cis- trans isomers, how many different alkenes have the molecular formula C 4H 8? a.3 b.4 c.5 d.2
23) For which of the following alkenes will cis- and trans- isomers not exist? CH3 H₃ C C H₂C CH3 H3CH2C-CH3 Hac нс...
23) For which of the following alkenes will cis- and trans- isomers not exist? CH3 H₃ C C H₂C CH3 H3CH2C-CH3 Hac нсінсін сня сі" A) a) only (B) only C) both a) and c) D) d) only E) both c) and d)
d. AG-AH-AS/T 42. How many stereoisomers of 4-chloro-2-methylpentane (CHs):CHCH:CHCICHs, exist? a. I b. 2 c. 3...
d. AG-AH-AS/T 42. How many stereoisomers of 4-chloro-2-methylpentane (CHs):CHCH:CHCICHs, exist? a. I b. 2 c. 3 d. 4 43. What is the major organic product obtained from the reaction of 1-butanol with aqueous HBr at reflux? a. 1-bromobutane b. 2-bromobutane c. 2-bromo-1-butanol d. 1-butene 44. Which of the following alcohols reacts fastest with HBr to give the corresponding alkyl bromide? a. methanol b. ethanol 2-propanol d. 2-methyl-2-propanol C. 45.Which of the following alcohols undergoes the most H2SO4 to give rapid...
3) For which of the following alkenes will cis- and trans-isomers not exist? H₂C C H₂O...
3) For which of the following alkenes will cis- and trans-isomers not exist? H₂C C H₂O CH₂ H₃C H₂C- CH₂ H₃C CH₃ H C F G H CH I a A) a only B) b only C) both a and c D) d only E) both c and d 4) Provide the proper IUPAC name for the alkene shown below. CH, CH CC H CHỊ CH(CH3 ) A) (E)-1,2-dimethyl-1-heptene B) (E)-3,5-dimethyl-2-hexene C) (Z)-1,2-dimethyl-1-heptene D) (2)-3,5-dimethyl-2-hexene E) none of the above...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br Q12. The correct order of increasing stability for the following conformations is CH, H Н. Н H H H CH2CH3 H Н CH,CH CH CH3CH2 CH H2C CH, H CH, I II III (A) III < III (C) II <I<III (B) I<III <II (D) I< II < III Q13. Identify the relationship between the following two Newman projections. CH, H НАС. H Н;С. Н...
Which of the following compounds can have cis and trans isomers? 2-Methyl-2-butene Propene 0 1-Butene 1,2-Dichloro-1-Bu What is the correct molecular formula of 2,4-Diethyltouleno OCHA 0 C₂ H₂2 G H C:oH20 18 Which of the following compounds can have cis and trans isomers? 1-Butene 2-Methyl-2-butene 1,2-Dichloro-1-Butene Propene CH3CHBr2 is obtained from O Reaction of ethyne with one mole of HBr O Reaction of ethyne with one mole of Br2 Reaction of ethyne with two moles of Br2 Reaction of ethyne...
cdn.inst-fs-lad-prod.inscloudgate.net a) constitutional isomers c) stereoisomers b) cis-trans isomers d) none of these 45) There are 3 functional groups present on this molecule. Name them: HOCH, a) aromatic c) ketone b) alcohol d) aldehyde 46) The name for this molecule is _? a) ethanone c) ethanol CH3-C-H b) ethanal d) ethanoic acid 47) The name for this molecule is_? Н-С-ОН a) methanone c) methanol b) methanal d) methanoic acid 48) The name for this molecule is_? HC -CH, a) propanone...
questions 29 & 30
28 Я B Cis-trans isomers are diastereomers enantiomers stereoisomers constitutional isomers More than one of these choices 29 Pairs of enantiomers are CH3 H. CC CH2CH2CH3 CHE CH CH.CH2CH3 HCC CH2CH2CH3 CH2CH.CH HACCI CHCI HH CH2CH.CH IV I, I and III, IV III, IV IV, V None of the structures. 30 (R)-2-Chlorobutane is represented by CH3 CH3 CH2CH3 CHCI Нccici--cн, Насісін, сісі HH CH.CH, CH.CH CH.CH CH.CH BEKIODIC IVBTE OLIHE ETENEK А | DIV E v
23) For which of the following alkenes will cis- and trans- isomers not exist? CH3 H₃ C C H₂C CH3 H3CH2C-CH3 Hac нсінсін сня сі" A) a) only (B) only C) both a) and c) D) d) only E) both c) and d)
d. AG-AH-AS/T 42. How many stereoisomers of 4-chloro-2-methylpentane (CHs):CHCH:CHCICHs, exist? a. I b. 2 c. 3 d. 4 43. What is the major organic product obtained from the reaction of 1-butanol with aqueous HBr at reflux? a. 1-bromobutane b. 2-bromobutane c. 2-bromo-1-butanol d. 1-butene 44. Which of the following alcohols reacts fastest with HBr to give the corresponding alkyl bromide? a. methanol b. ethanol 2-propanol d. 2-methyl-2-propanol C. 45.Which of the following alcohols undergoes the most H2SO4 to give rapid...
3) For which of the following alkenes will cis- and trans-isomers not exist? H₂C C H₂O CH₂ H₃C H₂C- CH₂ H₃C CH₃ H C F G H CH I a A) a only B) b only C) both a and c D) d only E) both c and d 4) Provide the proper IUPAC name for the alkene shown below. CH, CH CC H CHỊ CH(CH3 ) A) (E)-1,2-dimethyl-1-heptene B) (E)-3,5-dimethyl-2-hexene C) (Z)-1,2-dimethyl-1-heptene D) (2)-3,5-dimethyl-2-hexene E) none of the above...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br Q12. The correct order of increasing stability for the following conformations is CH, H Н. Н H H H CH2CH3 H Н CH,CH CH CH3CH2 CH H2C CH, H CH, I II III (A) III < III (C) II <I<III (B) I<III <II (D) I< II < III Q13. Identify the relationship between the following two Newman projections. CH, H НАС. H Н;С. Н...
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