Concept explainers
(a)
Interpretation:
More stable alkene should be identified from the given
Concept introduction:
The amount of heat released in a hydrogenation reaction is known as heat of hydrogenation
The most stable alkene has the smallest heat of hydrogenation.
The stability of an alkene increases as the number of alkyl substituents bonded to its
The stability of an alkene increases as the number of hydrogen bonded to its
(b)
Interpretation:
Less stable alkene should be identified from the given alkenes.
Concept introduction:
The amount of heat released in a hydrogenation reaction is known as heat of hydrogenation
The most stable alkene has the smallest heat of hydrogenation.
The stability of an alkene increases as the number of alkyl substituents bonded to its
The stability of an alkene increases as the number of hydrogen bonded to its
(c)
Interpretation:
The alkene which has the smallest heat of hydrogenation should be identified from the given alkenes.
Concept introduction:
The amount of heat released in a hydrogenation reaction is known as heat of hydrogenation
The most stable alkene has the smallest heat of hydrogenation.
The stability of an alkene increases as the number of alkyl substituents bonded to its
The stability of an alkene increases as the number of hydrogen bonded to its
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Check out a sample textbook solutionChapter 5 Solutions
Essential Organic Chemistry, Global Edition
- Which is the most stable: 3,4-dimethyl-2-hexene, 2,3-dimethyl-2-hexene, or 4,5-dimethyl-2-hexene? a. Which compound has the largest heat of hydrogenation? b. Which compound has the smallest heat of hydrogenation?arrow_forwardRank the following radicals in order of increasing stability.arrow_forwarda. How many vinylic hydrogens does cyclopentene have? b. How many allylic hydrogens does it have?arrow_forward
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- Rank in order of stability from least to most stable. 1. I. II.arrow_forward3. In each pair, circle the species that is more stable. H. OH2 OH2 CI CIarrow_forwardQuestion 23 Which of the following is (are) valid Lewis structure(s) for the anion (HCONCH3) A H Он н с H ОДА OB.B OCC OD.D DEE N он н Η Ν Η BC Он н C. CC Η Ν Η D. Both A and B E. A, B and Carrow_forward
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