1-41 continued (c) H - C - CH3 \ H H - C - C-N: \ H ... .. H - C = C = N: \ H no resonance stabilization more stable-resonance stabi lized (e) more stable-resonance stabilized CH3 - N1 - CH3 CH3 - C - CH3 + ........ I----I .. � + CH3 -�- CH3 CH3 - C - CH3 + Cc./CH2 \'H C C...:/ 'H \ H no resonance stabilization H \ CH3 - C - CH3 I CH3 - C - CH3 + more stable-resonance stabilized no resonance stabilization 1-42 These pKa values from the text, Table 1-5, and Appendix 5 provide the answers. The lower the pKa ' the stronger the acid. least acidic most acidic NH3 33 < < < 1-43 Conjugate bases of the weakest acids will be the strongest bases. The pKa values of the conjugate acids are listed here. (The relative order of the first two was determined from the pK
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