Recall from Section 7.9 that most ketones and aldehydes exist primarily in their keto form, as shown in Table 7-1. Propanedial, however, exists primarily (>99%) in its enol form. Explain why. Hint: Examine its structure in the enol form. H H. Propanedial TABLE 7-1 Relative Percentages of Keto and Enol Forms Tautomerization Reaction Percent Keto Form Percent Enol Form 99.99994% 0.00006% 99.986% 0.014% 99.9999995% 0.0000005% H. 99.9999988% 0.0000012% H H. 99.99996% 0.00004%

Recall from Section 7.9 that most ketones and aldehydes exist primarily in their keto form, as shown in Table 7-1. Propanedial, however, exists primarily (>99%) in its enol form. Explain why. Hint: Examine its structure in the enol form. H H. Propanedial TABLE 7-1 Relative Percentages of Keto and Enol Forms Tautomerization Reaction Percent Keto Form Percent Enol Form 99.99994% 0.00006% 99.986% 0.014% 99.9999995% 0.0000005% H. 99.9999988% 0.0000012% H H. 99.99996% 0.00004%

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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