Which isomers of C4H8 has the lowest absolute entropy at 25°C? (A) 1-butene (B) cis-2-butene (C)...
Which isomers of C4H8 has the lowest absolute entropy at 25°C? (A) 1-butene (B) cis-2-butene (C) trans-2-butene (D) 2-methylpropene (E) cyclobutane
Homework Answers
E. Cyclobutane
Entropy depends on the degree of randomness or disorderliness of the atoms of a compound. Single bonded molecules will be having high entropy because they do not have any restricted rotation which is present along double bond of alkene.
In given set of compounds cyclobutane in spite of fact that it is an alkane will be having least entropy. This is due to the fact that cyclobutane is a cyclic structure in which restriction of carbon atoms is severely present to a large extent. (due to ring strain)
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Which isomers of C4H8 has the lowest absolute entropy at 25°C?
(A) 1-butene (B) cis-2-butene (C)...
Cis-2-Butene and trans-2-butene are examples of. A: Geometric Isomers B: Enantiomeric isomers C: Block Isomers
Cis-2-Butene and trans-2-butene are examples of. A: Geometric Isomers B: Enantiomeric isomers C: Block Isomers
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...
How many of the following compounds could exhibit cis/trans isomers? i. 2,3-dichloro-2-butene ii. 2,3-dimethyl-2-butene iii. dibromoethyne...
How many of the following compounds could exhibit cis/trans isomers? i. 2,3-dichloro-2-butene ii. 2,3-dimethyl-2-butene iii. dibromoethyne iv. (CH3),CHCH V. The monomer used to form: n Select one: O a. O O b.1 O c. 2 d. 3 e. 4 ОО 1.5
#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
Draw the cis and trans isomers of 2-butene, CH3CHCHCH3. Show all hydrogen atoms?
Draw the cis and trans isomers of 2-butene, CH3CHCHCH3. Show all hydrogen atoms?
2. The cis- and trans- isomers of 2-butene can be thermally equilibrated in the presence of...
2. The cis- and trans- isomers of 2-butene can be thermally equilibrated in the presence of a catalytic amount of iodine: Based on the experimental results of this equilibration, a free energy difference (G°) of about 1 kcal/mol between the two isomers can be calculated. Given this G°, calculate the equilibrium constant K for the equilibrium at 298 K.
#11 Cis and trans isomers of alkenes A. have identical chemical formulas B. are stereoisomers C....
#11 Cis and trans isomers of alkenes A. have identical chemical formulas B. are stereoisomers C. are constitutional isomers A,. B, and C A and B #12 Diethyl ether and butanol have identical chemical formulas. How do their physical properties compare? they will be somewhat similar they will be identical they will be quite different this cannot be predicted #13 How many isomers (cis and trans) exist for 2-methyl-1-butene? four two one none #15 The reaction of cyclohexene with HBr...
How many of the following compounds could exhibit cis/trans isomers? i. 2,3-dichloro-2-butene ii. 2,3-dimethyl-2-butene iii. dibromoethyne...
How many of the following compounds could exhibit cis/trans isomers? i. 2,3-dichloro-2-butene ii. 2,3-dimethyl-2-butene iii. dibromoethyne iv. (CH3)2CHCH3 V. The monomer used to form: n
25 For the following pairs of compounds, indicate if they are cis-trans isomers or the same...
25 For the following pairs of compounds, indicate if they are cis-trans isomers or the same compound. If they are cis-trans isomers, indicate which is the cis isomer and which is the trans isomer and explain why. a. and b. and and
The equilibrium constant, kp, equals 3.40 at 25°C for the isomerization reaction: cis-2-butene trans-2-butene. If a...
The equilibrium constant, kp, equals 3.40 at 25°C for the isomerization reaction: cis-2-butene trans-2-butene. If a flask initially contains 5.00 atm of each gas, in what direction will the system shift to reach equilibrium? The system is already at equilibrium. O The system is not at equilibrium and will remain in an unequilibrated state. It will shift right. It will shift left.
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...
How many of the following compounds could exhibit cis/trans isomers? i. 2,3-dichloro-2-butene ii. 2,3-dimethyl-2-butene iii. dibromoethyne iv. (CH3),CHCH V. The monomer used to form: n Select one: O a. O O b.1 O c. 2 d. 3 e. 4 ОО 1.5
How many of the following compounds could exhibit cis/trans isomers? i. 2,3-dichloro-2-butene ii. 2,3-dimethyl-2-butene iii. dibromoethyne iv. (CH3)2CHCH3 V. The monomer used to form: n
25 For the following pairs of compounds, indicate if they are cis-trans isomers or the same compound. If they are cis-trans isomers, indicate which is the cis isomer and which is the trans isomer and explain why. a. and b. and and
The equilibrium constant, kp, equals 3.40 at 25°C for the isomerization reaction: cis-2-butene trans-2-butene. If a flask initially contains 5.00 atm of each gas, in what direction will the system shift to reach equilibrium? The system is already at equilibrium. O The system is not at equilibrium and will remain in an unequilibrated state. It will shift right. It will shift left.
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