6. The following molecule is known as the cyclopentadienyl anion. Draw all other possible resonance structures - be sure

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6 The Following Molecule Is Known As The Cyclopentadienyl Anion Draw All Other Possible Resonance Structures Be Sure 1 (83.6 KiB) Viewed 11 times

6. The following molecule is known as the cyclopentadienyl anion. Draw all other possible resonance structures - be sure to include appropriate arrow pushing. (3 pts) 0 7. Organize the following molecules by order of increasing acidity for the highlighted bond. In 20 words or less, predict which structure has the lowest pka and how you might know. (3 pts) A B C D H H₂ H₂C- 8. Estimate the pka for the conjugate acids on both sides of the equilibrium arrow. Circle which side of the reaction is favored - products or reactants. (3 pts) Reactants Products ✪ OH OH₂ H₂SO4 + HSO₂ + H₂C Reactants OH Ⓒ NH + NH₂ 9. Circle all of the functional groups present in the following molecule. (5 pts) Acid Chloride Amine Alcohol Aromatic Ring H OH Aldehyde Carboxylic Acid food Alkene Ester Alkyne Ether Amide Ketone OH 10. Identify which type of molecular spectroscopy is being described. (3 pts) a) Utilizes radio frequency electromagnetic radiation to detect the unique resonance frequencies of the nuclei in a given sample which helps construct or confirm a predicted molecular structure. b) Quantized vibrational modes of specific bond types absorb unique energy frequencies which helps determine what functional groups are present in a given sample. c) An electron beam of 70 eV bombards a sample to break it into positively charged fragments which can be analyzed to determine molecular structure and weight. H₂C Products