According to hard-soft acid-base theory, which pair below would preferentially bind to PbS surface? O NH3 and (CH3)2Zn NH3 and (CH3)2Hg ASH3 and (CH3)2Zn ASH3 and (CH3)2Hg
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- Complete the equation for the reaction between each Lewis acid-base pair. In each equation, label which starting material is the Lewis acid and which is the Lewis base; use curved arrows to show the flow of electrons in each reaction. In doing this problem, it is essential that you show valence electrons for all atoms participating in each reaction. (a) (b) (c) (d)As predicted by hard/soft acid-base theory, which pair would preferentially bind to a MgO surface? NH3 and (CH3)2Hg O NH3 and (CH3)2Zn AsH3 and (CH3)2Hg AsH3 and (CH3)2ZnMatch each species with its correct description. fluoride (F-) water (H2O) ammonia (NH3) hydrogen sulfate (HSO4-) nitric acid (HNO3) methylaminium (CH3NH3+) Answer choices: its conjugate base is OH is the conjugate acid of CH3NH2 is the conjugate base of NO3- its conjugate base is NO3- is the conjugate base of sulfate (SO4 2-) its conjugate base is CH3NH- is the conjugate base of HF is the conjugate acid of NH2- its conjugate acid is H3O+ its conjugate acid is HF+ is the conjugate base of NH4 its conjugate acid is H2SO4
- Arrange the acids below in order of predicted decreasing strength (i.e., from strongest to weakest). A H3NB HClC H3PD H2SE H3AsRefer to the data below to answer the following question. pkas of Some Phenols Y pKa -H 9.89 m-NO2 8.28 -OH p-NO2 7.17 m-OCH3 9.65 p-OCH3 10.21 The weakest acid in the table is the weakest conjugate base? Which of the acids in the table hasyou can represent the 'CH5O7' part of citric acid and its derivatives as 'Ci' if you wish. For instance, citric acid would be H3Cİ, citrate ion would be Ci-3, and sodium citrate dibasic would be NazHCi. 3. Circle the acidic hydrogens in the structure above. Hint: when each of these hydrogens leave the molecule, the conjugate base will have more than one resonance structure.
- Shared by others Part II (70 points) Directions: Answer each of the questions that follow. You do not have to re-write the question. When structures are required please draw them Clearly and Neatly. Make sure questions are numbered clearly as well. A)Write the formula for the conjugate acid of H₂PO₂ bjpo. B) Write the formula for the conjugate base of aHSO bHCIO₂ codicFor each group of anions, rank in order of increasing conjugate base strength. Briefly explain. яroup 1 group 2 :0: Cl- Br- BrWhat is the conjugate base of H2C6H5O7-? H3C6H6O7 H3C6H5O73- None of these HC6H5O72- C6H5O73-
- Draw the most likely conjugate base resulting from this acid-base reaction. Include all lone pairs. Ignore inorganic byproducts.Between these two compounds, Be or CH,O, draw the Lewis structure of the stronger base. pk, values of organic and inorganic acids PK, Acid CH₂CH₂ NH₁ 1₂ 51 38 Ⓡ Acid 35 CHÍCHO 159 CHCOOH H₂O 15.7 H₂O CHÍNH "NH₂ H₂S 7,04 H200, 6.36 CH₂COOH 4.76 10.64 ₂50, 9.24 Hie 9985 pk, -1.74 52 Explicitly draw all Hatoms. . Include all valence lone pairs in your answer. -B d AIP [RefWhich one of the following will be most acidic and why? 2-Chlorobutanoic acid, 4-Chlorobutanoic acid, Butanoic acid, 3-Chlorobutanoic acid. Answer in more than 5 sentences.