Given these acids and their K, values, which sequence lists the corresponding anions in order of increasing base strength? HC2H3O2 Kg=1.8x10-5 HCN K=6,2x10-10 HF K=7.2x10-4 Select one: O a. CN ,C2H302, F O b. HF, HC2H302, HCN O c. F,CN-,C2H3O2 O d. F,C2H302,CN

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Arrange these acids from weakest to strongest based on their Ka value at 25 degrees C.

Base CH;NH2 NH,NH, HONH, CINH, H H Conjugate Acid H-C-N-H H H The table above includes the Lewis diagrams of the conjugate acids of some weak nitrogenous bases. Based on the relative stability of the conjugate acids, which of the following bases has the largest value for K, ? A) CH3NH2 B) NH,NH, c) HONH, D) CINH2

The following is/are conjugate acid-base pairs except? Please select * НАРОД and H.PО D) HPO,2- and PO43- H2O and H3O* A) В) НЕРО and HPО,2- E) C) НАРО, and HPО,2- B D

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Select the weakest acid and strongest base by clicking on the table. Acid Conjugate Base K, pk, H- :ci: 10+7 -7 H- H- 55 or 10+1.74 -1.74 H H H-C- H-C-C 1.6 x 10-5 or 104.78 4.78 H: H-CEN: :CEN: 5.0 x 10-10 or 10-9.3 9.3 1.8 x 10-16 or 10 15.74 15.74 CH3CH2-0-H CH3CH2-0: 1.0 x 10-16 or 10-16 16

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13) What is the conjugate base of H2PO4^- * О А) НЗРО4 O B) PO4^-3 O C) HPO4^2- O D) H2PO3^2-

||| e NH. NH₂ Ph Which structure below represents the strongest base in water? Ph IV N(CH3)3 NH₂ A) I B) II C) III D) IV