Question

7. Identify the following species as either aromatic, anti-aromatic or NOT aromatic. 8. Acidity Assessment! a. Rank the following acids in order from weakest acid to strongest acid. ОН LOH ЛОН NC b. Explain thoroughly why you ranked the acids in the designated order. Your answer should include, if applicable, reasons based in hyperconjugation, inductive effects, resonance (EDG vs. EWG), etc. Just saying their pK, values" is not an acceptable answer

Answer 1

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7 1. Aromatic system follows (4n+2), e- cyclic, plannar, complete conjugation Anti-aromatic follow (4n) a e, cyclic, planner, complete conjugation, . Aromatic one- aromatic Gne- 10: not aromatic non plannar not a romak z- non planner c. ☺ antiaromatic ure- f. / m - Not aromatic not complete conjugation BrPccca Phenol is more acidic than alcohol because it form stable conjugate base which is stabilised through resonance. b. in ④ - CN group is present which Is an EWG 6 Stabilise phenoxide ion & increases acidic nature In (Resonance 2013 +H (M3 0 (Phenoxide) o Phenoxide ion via inductive effect In ④ EDG group is present which decrease acidic nature $o-ee-og similarly Alccho are les acidic aue to - apnakra nature taiк 3rъче election via inductive effect Th cootho