Concept explainers
(a)
Interpretation:
The contributing structures for furan have to be drawn.
Concept Introduction:
Contributing structures:
The double bonds of an
(b)
Interpretation:
The contributing structures for pyridine have to be drawn.
Concept Introduction:
Contributing structures:
The double bonds of an aromatic compound shift back and forth very rapidly which is known as delocalization. The resulted forms or structures cannot be separated and stay in equilibrium with charge separation. Those structures are known as contributing structuresof that compound.
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Chapter 21 Solutions
OWL V2 with MindTap Reader and Student Solutions Manual eBook for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition
- Calculate the enthalpy of formation of propane from:a. Combustion data (ΔHc = –2217 kJ mol–1; ΔHf (CO2) = –393.4 kJ mol–1, ΔHf (H2O) =–285.2 kJ mol–1);b. Bond enthalpies (C–C 348 kJ mol–1; C–H 413 kJ mol–1; H–H 436 kJ mol–1; ΔHvap forcarbon = –717 kJ mol–1).arrow_forwardThe action of heating one mole of water (containing a trace of acid catalyst) on one mole of compound Y produces one mole of CH,COOH and one mole of CH, CH,NH, The structure of Y is: Select one: O CHCNCCH, CH,CH,NHCH,CH, OH CH CHNHCH,CH, O CHCH,CNHCH; O CH;CH NHÖCH;arrow_forward10) 11)arrow_forward
- Write an equation to show the proton transfer between each alkene or cycloalkene and HCl. Where two carbocations are possible, show each. (a) CH,CH,CH=CHCH, (b) 2-Pentene Cyclohexenearrow_forward(a) Explain how bio-ethanol is produced?arrow_forwardDraw structural formulas of the following in a condensed formarrow_forward
- Write the reagent or draw structures of the starting material or organic product(s) in the following reactions. If more than one product is formed, identify the major product where possible. (a) (b) HO OH OH H2SO4 ? Cl₂ ? FeCl3arrow_forwardDraw and name all aromatic compounds with the formula C7H7Clarrow_forward2) Provide structures for the following compounds: a) ethyl acetate b) Pentanoic acidarrow_forward
- In each of the following reactions, two possible organic products can be formed. Draw both organic products in each case and then circle the one formed in greatest quantity in each case. HC (a) 1) NaH, 2) acid (b) CH,CH,OH (c) CH,CH,OH NH2 (d) Oarrow_forwardWhat is the name of the aromatic compound?arrow_forwardClassify each of the following reactions as an addition, elimination, substitution, or rearrangement. (a) CH3B + KOH → CH3OH + KBr (b) CH3CH2Br — Н2С—СH2 + HBr (c) H2C=CH2 + H2 → CH3CH3arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning