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- Which is a stronger base: RO- or RS-?Rank the following compounds in order of increasing acidity (1 = least acidic, 3 = most acidic) and in the space provided use resonance (of the conjugate base) to explain why the compound you have labelled “3” is the most acidic.Rank the following compounds in their correct order of acidity. 1=Most acidic and 4=least acidic.
- The Ka of acetic acid (CH3CO2H) is 1.8x10-5 and the Kb of methylamine (CH3NH2) is 4.4x10-4. Complete the following equilibrium reaction (acid-base reaction) equation and predict the side of the equilibrium that is favored. Explain. Show all your work.Complete each acid-base reaction and predict whether the position of equilibrium lies toward the left or toward the right. (a) CH3CCH+CH3CH2ONa+CH3CH3OH (b) CH3CCCH2CH2OH+Na+NH2NH3(l)For each molecule below, draw the conjugate acid or conjugate base or both if the molecule hasboth a conjugate acid and a conjugate base (e.g., water).
- Indicate which of the ff. statements regarding nucleophilicity is incorrect. 1. F- is more nucleophilic, hence, more reactive towards methyl iodide than Cl-. 2. Second-row elements are more nucleophilic than first-row elements of comparable basicity. 3. Nucleophilicity is the affinity of a nucleophile to an electrophilic carbon. 4. The rate of SN2 reaction may be markedly affected by the nucleophilicity of the attacking atomIdentify whether the hydroxide ion is functioning as a base or as a nucleophile.Propoxide (CH3CH2CH2O- ) is a larger molecule than ethoxide (CH3CH2O- ), yet they are equally basic. Explain why they are equally basic.
- Which of the ff statements is false? In aqueous solution the order of base strength R3N > R2NH > RNH2 > NH3. Alkyl groups increase the electron density on nitrogen, making the amine more basic. Alkyl groups stabilize the positive charge on the conjugate acid making the ammonium ion less acidic. Solvation through H-bonding with water is more important in the conjugate acid than in the free amine.Rank the following molecules from least acidic to most acidic please! - Br3CCO2H - H3CCO2H - F3CCO2H - Cl3CCO2HAnswer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure.