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(a)
Interpretation:
The strongest acid among the following should be identified:
CH3 OH, CH3 SH, (CH3 )2 NH.
Concept Introduction:
The acidity of any compound is higher when the compound has a higher electron withdraw or a higher proton donating capacity.
(b)
Interpretation:
The strongest base among the following should be identified:
CH3 OH, CH3 SH, (CH3 )2 NH.
Concept Introduction:
The basicity of any compound is higher when the compound has a higher electron donating ability or a higher proton accepting capacity.
(c)
Interpretation:
The compound with highest boiling point should be identified:
CH3 OH, CH3 SH, (CH3 )2 NH.
Concept Introduction:
The temperature at which the system changes its state from liquid to vapor is known as boiling point. It depends on the size and bonding within the molecules. Higher the size, higher will be the boiling point. Also, stronger the intermolecular interaction within in the compound higher will be the boiling point.
(d)
Interpretation:
The compound with the strongest intermolecular hydrogen bonds in the pure state should be identified.
Concept Introduction:
A hydrogen bond is formed when hydrogen atom bonded with an electronegative atom interacts weakly with other electronegative atom which is present in the vicinity of another electronegative atom.
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Chapter 15 Solutions
Introduction To General, Organic, And Biochemistry
- 18-17 Hexanoic (caproic) acid has a solubility in water of about 1 g/100 mL water. Which part of the molecule contributes to water solubility, and which part prevents solubility?arrow_forward16-46 Arrange these three compounds in order of decreas ing ability to form intermolecular hydrogen bonds: CH3OH, CH3SH, and (CH3)2NH.arrow_forward16-54 Several poisonous plants, including Atropa belladonna, contain the alkaloid atropine. The name “belladonna” (which means “beautiful lady”) probably comes from the fact that Roman women used extracts from this plant to make themselves more attractive. Atropine is widely used by ophthal mologists and optometrists to dilate the pupils for eye examination. Classify the amino group in atropine as primary, secondary, or tertiary. Locate all stereocenters in atropine. Account for the fact that atropine is almost insoluble in water (1 g in 455 mL of cold water) but atropine hydrogen sulfate is very soluble (1 g in 5 mL of cold water). Account for the fact that a dilute aqueous solution of atropine is basic (pH approximately 10.0).arrow_forward
- Salicylic acid is added into a test tube, followed by methanol and sulfuric acid as the catalyst. It is heated for 10-15 minutes and poured into a beaker with crushed ice. This is the esterification of Oil of wintergreen. Write the complete reaction equation and describe the odor of the reactants (salicylic acid and methanol) and the products (oil of wintergreen).arrow_forwardO2 HF CF4 CCl4 Which compound has the highest solubility in water? Which compound has the strongest LDF? CH3CCl3 CaO HOCH2CH2OH CH3OCH3 Which compound has the highest vapor pressure? Which compound has the lowest vapor pressure?arrow_forwardO2- + H2O——- Complete the acid base reaction.arrow_forward
- Which of the following organic compounds dissolves in 10% NaOH? O diethylether O 3-methyl-3-pentanol O 1-hexanol O 2-pentanolarrow_forwardThe purity of the aspirin sample is tested with iron (III) chloride. A purple color resulting from iron (III) chloride test indicates the aspirin sample contains some unreacted salicylic acid and the carboxylic acid group in salicylic acid gives a purple color. the structure of aspirin itself contains a phenolic -OH group. O the aspirin sample contains some unreacted salicylic acid and the phenolic -OH group in salicylic acid gives a purple color. the aspirin sample contains some unreacted salicylic acid and the ring structure in salicylic acid gives a purple color.arrow_forwardName the IUPAC of the water formed in the combinations: Cinnamic acid + ethanol -> ? Salicylic acid + methanol -> ? Acetic acid + amyl (1-pentanol) -> ?arrow_forward
- CARBOXYLIC ACID SAMPLES STRUCTURAL FORMULAS NUMBER OF CARBON ATOMS SOLUBILITY IN WATER SOLUBILITY IN NAHCO3 Acetic Acid ( in liquid sample) Oleic acid ( liquid sample ) Stearic acid Succinic Acid Benzoic Acidarrow_forwardWrite names and formulas for simple carboxylic acids.arrow_forward5ל-ל1 17-76 Name each of the salts in Problem 17-72.arrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
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