PKG ORGANIC CHEMISTRY
5th Edition
ISBN: 9781259963667
Author: SMITH
Publisher: MCG
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Chapter 3, Problem 3.51P
Interpretation Introduction
Interpretation: The sunscreen which is more readily washed off when an individual goes swimming is to be predicted on the basis of principles of solubility
Concept introduction: The ability of a compound to dissolve in a given solvent is known as solubility of the compound. The principle of like dissolves like plays a major role in determining the solubility of a compound.
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EXERCISE B
pH, pOH, pка, AND PKD CALCULATIONS
1. Complete the following table.
Solution
[H+]
[OH-]
PH
РОН
Nature of Solution
A
2 x 10-8 M
B
1 x 10-7 M
C
D
12.3
6.8
2. The following table contains the names, formulas, ka or pka for some common acids. Fill
in the blanks in the table. (17 Points)
Acid Name
Formula
Dissociation reaction
Ka
pka
Phosphoric acid
H₂PO₁
H3PO4
H++ H₂PO
7.08 x 10-3
Dihydrogen
H₂PO
H₂PO
H+ HPO
6.31 x 10-6
phosphate
Hydrogen
HPO₁
12.4
phosphate
Carbonic acid
H2CO3
Hydrogen
HCO
6.35
10.3
carbonate or
bicarbonate
Acetic acid
CH,COOH
4.76
Lactic acid
CH₂CHOH-
COOH
1.38 x 10
Ammonium
NH
5.63 x 10-10
Phenol
CH₂OH
1 x 10-10
Protonated form
CH3NH3*
3.16 x 10-11
of methylamine
Indicate whether it is true that Co(III) complexes are very stable.
MnO2 acts as an oxidant in the chlorine synthesis reaction.
Chapter 3 Solutions
PKG ORGANIC CHEMISTRY
Ch. 3 - Prob. 3.1PCh. 3 - (a) Classify the carbon atoms in each compound as...Ch. 3 - Problem 3.3 Classify a carbon atom by the number...Ch. 3 - Classify each alkyl halide and alcohol as , or...Ch. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Draw the structure of a compound of molecular...Ch. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Draw the structure of a compound fitting each...
Ch. 3 - Draw structures that fit each description and name...Ch. 3 - What types of intermolecular forces are present in...Ch. 3 - Which compound in each pair has the higher boiling...Ch. 3 - Explain why the boiling point of propanamide, is...Ch. 3 - Predict which compound in each pair has the higher...Ch. 3 - Prob. 3.16PCh. 3 - Which compounds are water soluble? a. b. c.Ch. 3 - a Label the hydrophobic and hydrophilic portions...Ch. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Problem 3.23 (a) What types of intermolecular...Ch. 3 - Prob. 3.24PCh. 3 - Prob. 3.25PCh. 3 - Problem 3.26 Label the electrophilic and...Ch. 3 - Problem 3.27 Considering only electron density,...Ch. 3 - Prob. 3.28PCh. 3 - 3.29
Identify the functional groups in the...Ch. 3 - Prob. 3.30PCh. 3 - 3.31 For each alkane: (a) classify each carbon...Ch. 3 - 3.32 Identify the functional groups in each...Ch. 3 - 3.33 Identify each functional group located in the...Ch. 3 - 3.34 (a)Identify the functional groups in...Ch. 3 - Draw seven constitutional isomers with molecular...Ch. 3 - Prob. 3.36PCh. 3 - Prob. 3.37PCh. 3 - Prob. 3.38PCh. 3 - Intramolecular force of attraction are often...Ch. 3 - 3.40 (a) Draw four compounds with molecular...Ch. 3 - 3.41 Rank the compounds in each group in order of...Ch. 3 - Explain why CH3CH2NHCH3 has higher boiling point...Ch. 3 - Prob. 3.43PCh. 3 - 3.44 Rank the following compounds in order of...Ch. 3 - Prob. 3.45PCh. 3 - 3.46 Rank the following compounds in order of...Ch. 3 - 3.47 Which of the following molecules can hydrogen...Ch. 3 - 3.48 Explain why diethylether and have similar...Ch. 3 - Prob. 3.49PCh. 3 - 3.50 Predict the solubility of each of the...Ch. 3 - Prob. 3.51PCh. 3 - Prob. 3.52PCh. 3 - 3.53 THC is the active component in marijuana, and...Ch. 3 - Prob. 3.54PCh. 3 - Prob. 3.55PCh. 3 - 3.56 Label the electrophilic and nucleophilic...Ch. 3 - 3.57 By using only electron density arguments,...Ch. 3 - 3.58 The composition of a cell membrane is not...Ch. 3 - Prob. 3.59PCh. 3 - 3.60 Quinapril (trade name Accupril) is a drug...Ch. 3 - 3.61 Answer each question about oxycodone, a...Ch. 3 - Prob. 3.62PCh. 3 - Prob. 3.63PCh. 3 - 3.64 Explain why A is less water soluble than B,...Ch. 3 - 3.65 Recall from section 1.10B that there is...
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