Concept explainers
(a)
Interpretation:
The given set of compounds has to be arranged in the increasing order of boing point.
Concept introduction:
The boiling points of carboxylic acids are higher than those of alcohol or
Intermolecular hydrogen bonding will increase the boiling point of an organic compound.
Carboxylic acids can form dimers in which hydrogen bonds form between two carboxyl groups this will also increase their boiling point.
Increasing order of boiling point of some organic compounds with similar molecular weight is shown below,
The better hydrogen bond capability of a molecule will increase its boiling points.
(b)
Interpretation:
The given set of compounds has to be arranged in the increasing order of boing point.
Concept introduction:
The boiling points of carboxylic acids are higher than those of alcohol or aldehydes of similar relative molecular mass due to intermolecular hydrogen bonding.
Carboxylic acids can form dimers in which hydrogen bonds form between two carboxyl groups this will also increase their boiling point.
Intermolecular hydrogen bonding will increase the boiling point of an organic compound.
Increasing order of boiling point of some organic compounds with similar molecular weight is shown below,
The better hydrogen bond capability of a molecule will increase its boiling points.
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Chapter 17 Solutions
Organic Chemistry
- Predict which member of each group is most soluble in water, and explain the reasons for your predictions.(a) butan-1-ol, pentan-1-ol, or propan-2-ol(b) chlorocyclohexane, cyclohexanol, or cyclohexane-1,2-diol(c) phenol, cyclohexanol, or 4-methylcyclohexanolarrow_forwardArrange these compounds in order of increasing boiling point (values in C are 42, 24, 78, and 118). (a) CH3CH2OH (b) CH3OCH3 (c) CH3CH2CH3 (d) CH3COOHarrow_forward1) Draw a Line structure for each of the following a) CH(CH:)2CH½C(OH)CHC(O)CH3 b) [CH;C(NH)2]*arrow_forward
- For each molecular formula, draw all the isomeric alkynes, and give their IUPAC names.Circle the acetylenic hydrogen of each terminal alkyne.(a) C5H8 (three isomers) (b) C6H10 (seven isomers)arrow_forwardArrange these compounds in order of increasing boiling point. Use the boiling point values of 0°C, 35°C, and 97°C. (a) CH3CH2CH2OH (b) CH3CH2OCH2CH3 (c) CH3CH2CH2CH3arrow_forwardArrange these compounds in order of increasing boiling point. Use the boiling point values of 0°C, 35°C,and 97°C. (a) CH3CH2CH2OH(b) CH3CH2OCH2CH3(c) CH3CH2CH2CH3arrow_forward
- Name the following using IUPAC system of nomenclature: (a) CH2 (Cl) CH (NH2) CHO (b) CH3 C (Br) CH2 CH (F) COOH Brarrow_forwardThe IUPAC name of the compound H- is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal ( The correct statement regarding electrophile is (a) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile (b) electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile (c) electrophile can be either neutral or ar positively charged species and can form a bond by accepting a pair of electrons from a nucleophile (d) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile.. Which among the given molecules can exhibit tautomerism? Ph Ph I II III (a) III only (c) Both I and II (b) Both I and III (d) Both II and III 1) Which of the following biphenyls is optically active?arrow_forwardExplain why CH3CH,NHCH3 has a higher boiling point than (CH3);N, even though they have the same molecular weight.arrow_forward
- Methyl isocyanate, CH3 -N= C = O, is used in the industrial synthesis of a type of pesticide and herbicide known as a carbamate. As a historical note, an industrial accident in Bhopal, India, in 1984 resulted in leakage of an unknown quantity of this chemical into the air. An estimated 200,000 people were exposed to its vapors, and over 2000 of these people died. Q.) Methyl isocyanate reacts with strong acids, such as sulfuric acid, to form a cation. Will this molecule undergo protonation more readily on its oxygen or nitrogen atom? In considering contributing structures to each hybrid, do not consider structures in which more than one atom has an incomplete octetarrow_forwardGive a common name (when possible) and a systematic name for each compound. ) (h) CH3C‚CCH2OCH3arrow_forwardName the following ketones and aldehydes. When possible, give both a common name and an IUPAC name.(a) CH3CO(CH2)4CH3arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning