Student Solutions Manual for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th
11th Edition
ISBN: 9781305081055
Author: Bettelheim, Frederick A.
Publisher: Cengage Learning
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Chapter 16, Problem 16.27P
16-27 Guanidine, p/Ca 13.6, is a very strong base, almost as basic as hydroxide ion.
NH
NH2+
II
II
H2N—C—NH2 + H2O H2N—C—NH2 + OH"
Guanidine
Guanidinium ion
pKb = 13.6
- Complete the Lewis structure for guanidine, showing all valence electrons.
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Consider the following data on some weak acids and weak bases:
acid
base
Ba
K,
name
formula
name
formula
hydrocyanic acid
HCN
10
4.9 x 10
methylamine| CH3NH2 |4.4 × 10
HCH,CO2 1.8 × 10
ethylamine C2H5NH2|6.4 × 10
acetic acid
Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to
the solution that will have the next lowest pH, and so on.
solution
pH
0.1 M NaCN
choose one
0.1 M KBr
choose one
0.1 М КСН3СО2
choose one
0.1 М CН3NHзBr
choose one
Consider the following data on some weak acids and weak bases:
base
acid
Κα
a
Ко
name
formula
name
formula
hydrofluoric acid
4
HF
6.8 × 10
pyridine CH&N 1.7x10
acetic acid
HCH3CO2 1.8 × 10¯¯
methylamine CH3NH2 4.4 × 10¯
-4
Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to
the solution that will have the next lowest pH, and so on.
0.1 M KCI
solution
PH
✓ choose one
1 (lowest)
0.1 M CH3NH3Br
0.1 M C5H5NHCI
0.1 M NaF
2
3
4 (highest)
choose one v
Х
Give handwritten answer
Chapter 16 Solutions
Student Solutions Manual for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th
Ch. 16.1 - Problem 16-1 How many hydrogen atoms does...Ch. 16.2 - Problem 16-2 Write a structural formula for each...Ch. 16.2 - Prob. 16.3PCh. 16.4 - Problem 16-4 Select the stronger base from each...Ch. 16.5 - Prob. 16.5PCh. 16 - 16-6 Answer true or false. te/7-Butylamine is a 3°...Ch. 16 - Prob. 16.7PCh. 16 - Prob. 16.8PCh. 16 - 16-9 In what way are pyridine and pyrimidine...Ch. 16 - Prob. 16.10P
Ch. 16 - Prob. 16.11PCh. 16 - Prob. 16.12PCh. 16 - 16-13 Classify each amino group as primary,...Ch. 16 - Prob. 16.14PCh. 16 - 16-15 There are eight primary amines with the...Ch. 16 - Prob. 16.16PCh. 16 - 16-17 Propylamine (bp 48°C), ethylmethylamine (bp...Ch. 16 - 16-18 Account for the fact that 1-butanamine (bp...Ch. 16 - 16-19 2-Me thy 1 propane (bp -12°C), 2-propanol...Ch. 16 - Prob. 16.20PCh. 16 - Prob. 16.21PCh. 16 - Prob. 16.22PCh. 16 - Prob. 16.23PCh. 16 - Prob. 16.24PCh. 16 - Prob. 16.25PCh. 16 - 16-26 The p/fb of amphetamine is approximately 3.2...Ch. 16 - 16-27 Guanidine, p/Ca 13.6, is a very strong base,...Ch. 16 - 16-28 Following is the structural formula of...Ch. 16 - Prob. 16.29PCh. 16 - Prob. 16.30PCh. 16 - Prob. 16.31PCh. 16 - 16*32 Many tumors of the breast are correlated...Ch. 16 - Prob. 16.33PCh. 16 - Prob. 16.34PCh. 16 - 16-35 (Chemical Connections 16B ) What is an...Ch. 16 - Prob. 16.36PCh. 16 - Prob. 16.37PCh. 16 - Prob. 16.38PCh. 16 - Prob. 16.39PCh. 16 - Prob. 16.40PCh. 16 - Prob. 16.41PCh. 16 - Prob. 16.42PCh. 16 - Prob. 16.43PCh. 16 - Prob. 16.44PCh. 16 - Prob. 16.45PCh. 16 - 16-46 Arrange these three compounds in order of...Ch. 16 - Prob. 16.47PCh. 16 - Prob. 16.48PCh. 16 - Prob. 16.49PCh. 16 - Prob. 16.50PCh. 16 - Prob. 16.51PCh. 16 - Prob. 16.52PCh. 16 - Prob. 16.53PCh. 16 - 16-54 Several poisonous plants, including Atropa...Ch. 16 - Prob. 16.55PCh. 16 - Prob. 16.56PCh. 16 - Prob. 16.57PCh. 16 - 16-58 Following is a structural formula of...Ch. 16 - Prob. 16.59P
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- A very strong base can remove a proton from methylamine:arrow_forwardacid name formula acetic acid HCH3CO2 1.8 x 10 Consider the following data on some weak acids and weak bases: base formula Kb -5 Ka name ammonia NH₁ 1.8 × 10 -10 hydrocyanic acid HCN 4.9 x 10 pyridine C,HN 1.7x 107 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 0.1 M KCI 01 MKCN solution PH choose nee choose one choose one e 0.1 M NH4Br 0.1 M C5H5NHCI choose one earrow_forwardConsider the following data on some weak acids and weak bases: acid base K, K, name formula name formula 8- 3.0 x 10 -10 hypochlorous acid HCIO aniline C6H5NH2 4.3 × 10 hydrocyanic acid HCN - 10 4.9 × 10 pyridine C3H3N 1.7 x 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C6H5NH3CI choose one 0.1 M NaCN choose one 0.1 M NaNOз choose one 0.1 М KCIO choose onearrow_forward
- Consider the following data on some weak acids and weak bases: acid base 9. name formula name formula HCH,CO2 1.8 × 10¯ CH;NH, 4.3 x 10 - 10 аcetic acid aniline hydrofluoric acid HF -4 6.8 × 10 methylamine CH,NH, 44 x 10-4 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M KF choose one 0.1 M NaCl choose one 0.1 M C6H5NH3Br choose one 0.1 M CH3NH3CI choose onearrow_forwardConsider the following data on some weak acids and weak bases: acid base Ka name formula name formula hydrocyanic acid НCN - 10 4.9 x 10 methylamine CH3NH2 |4.4 × 10 hypochlorous acid HC1O 8. 3.0 × 10 ethylamine C2H,NH,|6.4 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C2H5NH3CI choose one 0.1 M NaCN choose one 0.1 M NaCi choose one 0.1 М CН3NH3B choose onearrow_forwardConsider the following data on some weak acids and weak bases: acid Ka formula name name 8 hypochlorous acid HCIO 3.0 × 10 hydrofluoric acid HF 6.8 x 10 base Kb formula -10 aniline C&H NH 4.3x 107 methylamine CH3NH2 4.4 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution PH 0.1 M C6H5NH3Br choose one ✓ choose one 0.1 M KCI choose one ◇ 1 (lowest) 0.1 M KCIO choose one 2 0.1 M NaF choose one 3 × 4 (highest)arrow_forward
- Note these acronyms: HOAC = Acetic Acid; NaOAc = Sodium Acetate; THF = tetrahydrofuran Ph = Phenyl = C6H5; DMSO = Dimethyl Sulfoxide, H3C-0-H = methanol, Zn = Zinc, D = heavy Hydrogen (1 proton and 1 neutron). Acetone = Acetic Acid = THF= Ph= H3C CH3 H3C HO, 1. Write the products of the following reactions. If there is no reaction write NR. For full credit clearly indicate cis or trans relationships in cyclic compounds, where appropriate. 1) Н.В ТHF 2) HOOH, NaOH water solvent j) CH 1)H B-THF 2) НООН, N:OH water solvent k) 1)Ozuue 2) (CH ),S CH3 1) Ozcne 2) CH,),Sarrow_forwardConsider the following data on some weak acids and weak bases: base acid Bo K. Kp name formula name formula HCH;CO2 1.8 × 10¯ NH3 ammonia 1.8 × 10 аcetic acid -4 HF 4 6.8 x 10 ethylamine C,H,NH, 6.4 x 10 hydrofluoric acid Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NH4Br v choose one 1 (lowest) 0.1 М КСН3СО2 4 (highest) 0.1 М KI choose one ♥ 0.1 M NaFarrow_forwardCalculate the pH at 25 °C of a 0.47M solution of ethylammonium bromide (C₂H5NH₂Br). Note that ethylamine (C₂H5NH₂) is a weak base with a p K₁ of 3.19. Round your answer to 1 decimal place. Harrow_forward
- Which of the following has the strongest conjugate base? Group of answer choices benzoic acid (Ka = 6.5 x 10-5) hydrazoic acid (Ka = 1.9 x 10-5) chlorous acid (Ka = 1.1 x 10-2) carbonic acid (Ka = 4.3 x 10-7) chloroacetic acid (Ka = 1.4 x 10-3)arrow_forwardConside following data on some weak acids and weak bases: acid base K. K, name formula name formula hydrocyanic acid aniline C,H,NH, 4.3 × 10 HCN 4.9 x 10 10 -10 HNO, 4.5 x 10* pyridine C,H,N nitrous acid 1.7 × 10-9 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C6H5NH3Br choose one 0.1 M KCI choose one v 0.1 M KNO2 choose one v 0.1 M C5H5NHCI choose one v Explanation Checkarrow_forwardCalculate the pH at 25°C of a 0.89M solution of trimethylammonium chloride CH33NHCl. Note that trimethylamine CH33N is a weak base with a pKb of 4.19 .Round your answer to 1 decimal place.arrow_forward
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