Chemistry Quiz: Equilibria, Acids and Bases, and Resonance Structures, Quizzes of Organic Chemistry

Download Chemistry Quiz: Equilibria, Acids and Bases, and Resonance Structures and more Quizzes Organic Chemistry in PDF only on Docsity! HC C NH2 NH2 N O O H NH2-C CH2-C CH3CCH3 HC C-H H3C B CH3 CH3 Ti4+ HC NH3 H2CO3 C-H 1. Write the conjugate base for each of the following a. CH3NH3+ b. HClO4 2. Which value represents the stronger acid in the sets below. Please circle. a. Ka = 3.1 x 10-4 or 7.0 x 10-6 b. pKa = -2.0 or pKa = 2.0 3. In the following equilibria, indicate the direction that is favoured by an arrow. + NH3 + NH2a. b. C6H5S + H2CO3 C6H5S-H + HCO3 You may use the table provided here for compd. pKa 26.0 36.0 6.5 C6H5S-H 7.8 4. Draw as many resonance structures as you can for the following species. Circle the resonance structure that contributes the least to the composition of the hybrid. If all structures contribute equally, say so. b c . CH3-CH-CH=CH-O-CH3 symbolism between two resonance structures. 5. Of the following species which can behave as Lewis acid or Lewis base ? #3 a. Chem 2750 Sample Quiz 2 Name (print) Please use the