Using the following values of pkb, select the strongest acid from those listed in the answers....
QUESTION 3 Given the following pka values, which is the strongest acid of those listed in the answers? HClO2 (pka = 2.00) CCI3COOH (pKa = 0.52) HIO3(pka = 0.77) HBrO2 (pka = 4.69) HN3 (pka = 4.72) O A. CClgCOOH B. HBrO2 C.HIO3 D.HCIO2 E. HN3
Arrange the following compounds from strongest acid to weakest acid based on the provided K, values.
The following shows a list of weak acids and bases with their Ka and Kb values. Substances Ka Substances Kb Cyanic acid (HCN) 4.9 x 10-10 Ammonia (NH3) 1.8 x 10-5 Nitrous acid (HNO2) 4.5 x 10-4 Aniline (C6H5NH2) 4.3 x 10-10 Hydrofluoric acid (HF) 6.8 x 10-4 Pyridine (C5H5N) 1.7 x 10-9 Acetic acid (CH3COOH) 1.8 x 10-5 Methylamine (CH3NH2) 4.4 x 10-4 If you want to make a pH 8.0 buffer solution, which of the following acids or...
Part A Arrange the following oxoacids in order of decreasing acid strength. Rank from strongest to weakest acid. To rank items as equivalent, overlap them. 1. HClO2 2. HClO3 3. HBrO 4. HClO Part B Arrange the following carboxylic acids in order of decreasing acid strength. 1. CHCl2COOH 2. CH2ClCOOH 3. CH3COOH 4. CH3CH2COOH Part C Arrange the following amines in order of decreasing base strength. 1. CH3NH2 2. NH3 3. NH2Br 4. (CH3)2NH
Using values from Appendix C of your textbook, calculate the
value of Keq at 298 K for each of the following
reactions:
(a) 4 NH3(g) + O2(g) 2 N2H4(g) + 2
H2O(l)
Keq = .
(b) CH4(g) + 4 Cl2(g) CCl4(l) + 4 HCl(g)
Keq = .
(c) 6 C(graphite) + 6 H2O(l)
C6H12O6(s)
Keq = .
25,26,27
Select the stronger acid from the following molecules. O al door Oblon Oc) OH d) NH2 The pka of acetic acid ( ) is 4.75. What is the most likely pka of trifluoroaceti HEC OH acid ( i lon )? FC a) 0.23 b) 7.00 c) 5.80 d) 4.75 Which of the identified protons on the following molecule is the least acidic? А H B CHO OH D a) A Ob) в Occ d) D
Using values from Appendix C of your textbook, calculate the
value of Keq at 298 K for each of the following
reactions:
Using values from Appendix C of your textbook, calculate the value of Keg at 298 K for each of the following reactions: (a) Fe3O4(s) + 4 CO(g) = 3 Fe(s) + 4 CO2(g) Keq = (b) Fe2O3(s) + 6 HCI(g) = 2 FeCl3(s) + 3 H2O(g) Keq = D . (c) 4 NH3(g) + O2(g) = 2 N2H4(9)...
Part A Rank the following compounds in order of decreasing acid strength using periodic trends Rank the acids from strongest to weakest. To rank items as équivalent, overlap them. View Available Hint(s) Reset Help Hао НС BеНа HI Weakest acid Strongest acid Part B Rev Without consulting the table of acid-dissociation constants, match the following acids to the given Kai values. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help H2SO H2S H2SO4 Ki very large...
pKa Conjugate base Acid formula Conjugate base name Acid name F3CCOOH 0.20 F3ccoo trifluoroacetic acid trifluoroacetate ion 13.80 Cl3CCOOH 13.34 0.66 Cl3CCOO trichloroacetic acid trichloroacetate ion HOOCCOOH 1.23 HOOCCOO oxalic acid hydrogen oxalate ion 12.77 Cl2HCCOOH 12.70 dichloroacetic acid 1.30 Cl2HCCOO dichloroacetate ion H2SO3 12.23 1.77 HSO3 sulfurous acid hydrogen sulfite ion 1.92SO42- HSO4 hydrogen sulfate ion sulfate ion 12.08 HCIO2 1.95 CI02 chlorous acid chlorite ion 2.12 H2PO.4 phosphoric acid H3PO dihydrogen phosphate ion 11.88 CIH2CCOOH 2.87 CIH2CCOO 11.13...
4. Consider the following 'soup" ONCE and you must only use compounds from the "soup" below in your answers. p of compounds and answer the questions. You may use each of the compounds ONLY and answer он OH но NH2 pKa = 50 pK-35 田 !SbFe NH4CI но NaOH pKa = 25 pK,-20 pka 16 a. Circle in the strongest Brensted acid and draw a box around the strongest Brønsted base. b. Select a pair of compounds that will REACT...