Concept explainers
Videos
Interpretation:
The two enol tautomer of the given compound has to be drawn and more stable structure has to be identified.
Concept Introduction:
Keto-Enol tautomerization: The enol and keto are said to be tautomer, are constitutional isomers that rapidly interconvert via the migration of a proton. The interconversion between an enol and a
The tautomerization is catalyzed by even trace amounts of acid (or base).
Tautomerism is the ability of a molecule to exist in more than one chemical form.
Tautomers are formed by the migration of a hydrogen atom, accompanied by the switching of a single and neighboring double bond.
The only difference in keto-enol tautomers is the location of hydrogen and double bond.
Enol tautomer is much less stable than the keto tautomer.
Enol tautomer is more stable when enol tautomer is
Resonance: The delocalization of electrons which is characterized as several structural changes.
Want to see the full answer?
Check out a sample textbook solution
Chapter 13 Solutions
Essential Organic Chemistry (3rd Edition)
- 19. Complete the following chart for the incorrect electron configurations shown in the left column. When drawing the correct electron configuration, assume the same number of electrons that were shown in the incorrect configuration. Incorrect Electron Configuration 2p ↑↓ ↑ 2s ↑↓ 1s ↑↓↓ ਵੇ ਵੇ ਵੇ 3p ↑ ↑ ↑ - 38 ↑ 2p 2s ↑↓ 1s 2p 2s 1s ** ↑↓ ↑↓ ↑↑ 리리리 Which principle or rule is violated? Explain the violated principle or rule in your own words Draw the correct electron configurationarrow_forward14.36 Draw all reasonable resonance structures for each compound. a. + b. C. :O: d. :O: NH2 NH2 :O:arrow_forward14.32 What diene and dienophile are needed to prepare each compound by a Diels-Alder reaction? a. b.arrow_forward
- 14.34 Draw all reasonable resonance structures for each species. a. b. Ö :0: C. :0: :0: d. OH e. f. :O:arrow_forward7. The standard reduction potentials for two half-reactions are shown above. Which of the statements listed below will be true for the following reaction taking place under standard conditions? a. E° b. E° c. E° = d. E° e. E° = Al (s) + Cr³+ → Al³+ + Cr (s) 0.93 V, and the reaction is not spontaneous 0.93 V, and the reaction is spontaneous 2.39 V, and the reaction is not spontaneous 2.39 V, and the reaction is not spontaneous 0.93 V, and the reaction is spontaneous Cu2+ + 2e → Cu E° = +0.34 V Zn2+ + 2e → Zn E° = -0.76 V E° = -1.18 V Mn2+ + 2e → Mn 8. Based on the above reduction potential, which of the following reactions will occur spontaneously? a. Mn²+ + Cu → Mn + Cu2+ b. Mn²+ + Zn → Mn + Zn²+ c. Zn2+ + Cu → Zn + Cu²+ d. Zn²+ + Mn → Zn + Mn2+ e. Cu²+ + Zn²+ → Cu + Znarrow_forward14.35 For which compounds can a second resonance structure be drawn? Draw an additional resonance structure and the hybrid for each resonance-stabilized compound. a. OCH3 OCH 3 b. C. d. CH3 NHCH3arrow_forward
