4. Which of the following ketones A or B do you think has the more stable system? Explain why you chose your answers in 1-3 sentences. Hint: draw the resonance structure of the carbonyl in each. 38 A B H₂ 5. Which of the following cations do you think is a stronger acid? Explain why in 1-3 complete sentences. ΝΘ H₂ ΝΘ A B
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Please explain these two questions.
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- Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. Predict the major product for the addition of an acid (HBr) to the compound below.For this reaction I attempted to answer them but I got it wrong, and was wondering why? Wouldn't HO- be the bronsted acid since it's accepting the H from the Br, which makes the CH3Br give away the carbon and hydrogens? which is the bronsted acid?Indicate for each species below whether it is a strong acid, a strong nucleophile, both, or neither: NH4+H+Cl^-1NH4Cl
- For the following groups of molecules (labeled A-C), rank the acidity of the molecules in order from least acidic (3) to most acidic (1). Explain your reasoning.2. Place the following carboxylic acids in their correct order of acidity. 1=Most acidic and 4=least acidic.Using your knowledge of general chemistry and organic chemistry, answer the following questions: Predict the relative acidities within each of the following groups, then identify the conjugate bases, and finally predict their relative leaving group abilities HClO3 and HClO2 PH3 and H2S [NH4]+ and [H3O]+ Explain why the trifluoromethane sulfonate (TfO-) ion is a better leaving group than the methanesulfonate (MsO-) ion.
- Amides are weak nucleophiles but their conjugate bases are string nucleophiles. The amide drawn below can be deprotonated in four possible locations, labeled A-D but two are considerably more acidic than the others. Draw the two different Bronsted Lowery acid/base reactions (using HO- as the BL base) showing the deprotonation at these two locations. Draw all RS with arrows for both conjugate bases but no hybrids. Based on your resonance analysis which location is the most acidic in the molecule? Why is it most acidic? Amides can also be protonated by a strong acid in two different locations. Draw two different conjugate acids for the amide above as well as RS with arrows for each. Based on your resonance analysis which atom is the most basic in an amide?Rank the compounds below in order of increasing acidity HF, H2O, NH3You react an unknown aldehyde (substitutent group marked with an "x") with a ketone and get the product on the right (substitutent group still unknown). HNMR data for the product is shown below. Which of these 3 aldehydes is the reactant that was used? sorry the HNMR looks rough, this was the last question on my final and I am still kinda reeling from it.
- Why is the chlorine in the ortho position less acidic than the one in the para position? Please explain in detail.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 atom