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Chapter 19: Q32. (page 757)

Question: Rank the following compounds in order of increasing boiling point.

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01

Step-by-Step SolutionStep 1: Boiling point

The boiling point of a compound is the temperature at which the vapor pressure of the compound equals the atmospheric pressure.

02

Factors affecting the boiling point

The boiling point of a compound depends on the intermolecular forces acting on it.

Compounds that involve hydrogen bonding (electrostatic force of attraction between hydrogen and a more electronegative atom) have a higher boiling point.

03

Order of boiling point of the given compounds

The given compounds are ketone, carboxylic acid, and alcohol.

Among the given compounds, both alcohol and carboxylic acid can participate in hydrogen bonding, and hence, have a higher boiling point than ketone.

Carboxylic acids have a higher boiling point than alcohols as they show more extensive intermolecular hydrogen bonding.

Boiling points of the given compounds

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Most popular questions from this chapter

The pKaof p-methylthiophenol(CH3SC6H4OH) is 9.53. Is p-methylthiophenol more or less reactive in electrophilic aromatic substitution than phenol?

Proline is an unusual amino acid because its N atom on the 伪 carbon is part of a five-membered ring

a. Draw both enantiomers of proline.

b. Draw proline in its zwitterionic form.

Explain each statement.

a. ThepKa of p-nitrophenol is lower than the pKaof phenol (7.2 vs. 10).

b. The pKaof p-nitrophenol is lower than the pKaof m-nitrophenol (7.2 vs. 8.3).

Glutamic acid is a naturally occurring alpha-amino acid that contains a carboxy group in its R group side chain (Table 19.4). (Glutamic acid is drawn in its neutral form with no charged atoms, a form that does not actually exist at any pH.)

a. What form of glutamic acid exists at pH=1?

b. If the pH is gradually increased, what form of glutamic acid exists after one equivalent of base is added? After two equivalents? After three equivalents?

c. Propose a structure of monosodium glutamate, the common flavor enhancer known as MSG.

Question: Rank the carboxylic acids in order of increasing acidity.
See all solutions

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