Chemistry · Chemical Bonding
Match the organic compounds containing specific C-H bonds listed in Column I with their correct Bond Dissociation Energies (BDE) values listed in Column II. (Given as reference: BDE for CH3-H is 105.0 kcal/mol) Column I (Compounds): a. Ethyne (HC≡C-H) b. Benzene (C6H5-H) c. Cyclopropene (C-H at sp3 carbon) d. 1,3-Cyclopentadiene (C-H at sp3 carbon) Column II (BDE in kcal/mol): i. 110.9 ii. 71.1 iii. 132.0 iv. 90.6
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- 1a – iii; b – i; c – ii; d – iv✓
- 2a – iii; b – i; c – iv; d – ii
- 3a – i; b – iii; c – ii; d – iv
- 4a – iii; b – iv; c – i; d – ii
Correct answer
a – iii; b – i; c – ii; d – iv
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