[Review Topics] Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. A table of pKa values for various organic and inorganic acids can be found in the references section. + CH3 A H-CN B acetone enolate hydrogen cyanide a) The weaker acid is :CN CH CH₂ D C acetone cyanide b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. AC) Submit Answer Retry Entire Group 6 more group attempts remaining
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- Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. A table of pKa values for various organic and inorganic acids can be found in the references section. A anilinium NH3 + B phenoxide с aniline NH₂ D phenol a) The weaker base is b) Its conjugate acid is c) The species that predominate at equilibrium are (two letters, e.g. AC) OHAnswer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pKa's for the acids of interest are: cyclohexanone (pK = 16.7), and ethylammonium ion (pKa = 10.8). CH5 NH2 CH5 A в D ethylamine cyclohexanone ethylammonium cyclohexanone enolate a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac)[References] Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pka's for the acids of interest are: phenol (pka = 9.9), and carbonic acid (pKa = 6.4). OH A phenol B bicarbonate C phenoxide OH D carbonic acid a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac)
- The table shows the base ionisation constant, Kb, for several selected compounds. (a) Compound C6H5NH2 Kb 3.8x10-10 1.7x10-6 N2H4 NH3 1.8x10-5 NH2OH 1.1x10-8 i. Arrange the compounds in order of increasing strength of base. ii. Give the structure of conjugate acid for each compound and arrange them in order of increasing strength of acid. (b) The percentage ionisation of 0.010 M NH3 solution was 4.2 % ionisation. Calculate Kb. 1.8x105b Please help me answer all of this x O Dashboard ở Course: Chem 120 - Organic Che x O LOCAL clicker + A cpp.edu/~Isstarkey/local/clicker/bonding/acid-base.html Arrange the following hydrogens in the order of DECREASING pK, values (from least acidic to most acidic). Arrange the following compounds in order of INČREASING acid strength (from least acidic to most acidic). A)I> II > III -OH HCI CH;OH II III B) III> ||>1 0=C-C-CH2-CF3 OH I C) II > III >I A) III I> II II E) II>I> II C) I < III < II D) II < III < I E) I < II < III Which is the stronger base? Explain briefly. Draw the conjugate acid or conjugate base, as directed, for each. но CH3-C-o conjugate base of NH3 conjugate acid of HO conjugate acid of H:0 hydroxide acetate NH, H20 A) A) Because this is more stable: H-0-H hydroxide is the stronger base. NH. он о B) H20 B) Because this is more stable: H-o hydroxide is the weaker base. NH, OH H2 C) C) Because this is more stable: CH-8-OH acetate is the stronger base. NH, H2 D) D)…In each of the following acid-base reactions, identify the Bronsted acid and base on the left, and theirconjugate partners on the right: (a) HAsO32- + CH3CH2CO2H → H2AsO3- + CH3CH2CO2- (b) HPO32- + HSeO4- → SeO42- + H2PO3- (c) HC6H5O72- + HS- → H2S + C6H5O73-
- Aniline C6H5NH2 has a base dissociation constant (Kb) of 4.3 × 10-10. What is the conjugate acid of aniline and what is its acid dissociation constant (Ka)? (SHOW CALCULATION)Predict which acid in the following pairs of acids is the stronger acids: a) H2SO3 or H2SeO3b); b) H2SeO4 or H2SeO3.Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. A table of pK, values for various organic and inorganic acids can be found in the references section. H-CN :CN H. A в D hydrogen cyanide pyridine cyanide pyridinium a) The weaker acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. AC)
- Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. A table of pka values for various organic and inorganic acids can be found in the references section. H2 H2 CH3 H2C=CH2 CH OH H2C=CH D A ethoxide B ethene ethanol ethene anion a) The weaker acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. AC)Regarding to the following compounds: NH3, H2O, H2SA) Rank the following compounds in order of increasing acidityB) Mention their conjugate bases and rank according to increasing their basicity orderArrange the acids below in order of predicted decreasing strength (i.e., from strongest to weakest). A H3NB HClC H3PD H2SE H3As