WADE7_sample_problems_chapter7 - Organic Chemistry 7e(Wade Chapter 7 Structure and Synthesis of Alkenes 1 Which of the following statements best

WADE7_sample_problems_chapter7 - Organic Chemistry 7e(Wade...

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Organic Chemistry, 7e(Wade)Chapter 7 Structure and Synthesis of Alkenes1) Which of the following statements best describes the relative bond dissociation energies of thesigma and pi bonds present in the carbon-carbon double bond of an alkene?A) sigma > piB) pi > sigmaC) sigma = piD) cannot be estimatedAnswer: ADiff: 2Section: 7.12) Carbon-carbon single bonds tend to be __________ and __________ than carbon-carbon double bonds.DDiff: 1Section: 7.23) Which of the following best approximates the CCC bond angle of propene?CDiff: 1Section: 7.24) What two atomic orbitals or hybrid atomic orbitals overlap to form the C–H bond in ethylene?BDiff: 3Section: 7.21
5) What two atomic orbitals or hybrid atomic orbitals overlap to form the C–C σ bond in ethylene?A) C sp3+ C spB) C sp3+ C spC) C sp2+ C spD) C sp3+ C pE) C sp2+ C pAnswer: 322CDiff: 3Section: 7.26) What two atomic orbitals or hybrid atomic orbitals overlap to form the C–C π bond in ethylene?322EDiff: 3Section: 7.27) Circle all atoms that are coplanar in the molecule below. Answer: Diff: 2Section: 7.22
8) Draw the line energy orbital diagram for the outer shell of an sp2hybridized carbon atom and explain how a carbon/carbon double is formed.Diff: 2Section: 7.29) Why is rotation about the carbon-carbon double bond in alkenes prohibited while relatively free rotation can occur about the carbon-carbon single bond in alkanes?Diff: 2Section: 7.210) Consider molecules with the formula C10H16. Which of the following structural features arenotpossible within this set of molecules?A) 2 triple bondsB) 1 ring and 1 triple bondC) 2 rings and 1 double bondD) 2 double bonds and 1 ringE) 3 double bondsAnswer: ADiff: 1Section: 7.33

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