Why do alcohols and carboxylic acids have a higher boiling points than hydrocarbons and halocarbons?
Why do alcohols and carboxylic acids have a higher boiling points than hydrocarbons and halocarbons?
Homework Answers
Alcohol and carboxylic acids contain an OH group allowing for hydrogen bonding which is stronger than other intermolecular forces. Hydrocarbons and halocarbons have no H bounding as there are no electronegative atoms like O, N and F (therefore no hydrogen bonding). Because of intermolecular hydrogen bonding between molecules of alcohols and carboxylic acids, more energy is necessary to overcome and hence, have higher boiling points than hydrocarbons and halocarbons.
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Why do alcohols and carboxylic acids have a higher boiling
points than hydrocarbons and halocarbons?
9) Why do alcohols have higher boiling points than lkanes 10) Draw the chemical structure of...
9) Why do alcohols have higher boiling points than lkanes 10) Draw the chemical structure of the major organic product formed in the following reactions CH3 a) HyPO4 он K2Cr2O, HCCH-CH2-CH3 b) он
Explain why aldehydes and ketones have a higher boiling point than the corresponding hydrocarbons.
Explain why aldehydes and ketones have a higher boiling point than the corresponding hydrocarbons.
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The...
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The structure of 3-methylbutyric acid is shown below. Draw a second molecule of 3-methylbutyric acid - oriented in the most stable dimeric configuration with the other molecule of acid-and show the intermolecular hydrogen bonds. To indicate a hydrogen bond, draw a regular single bond between the atoms, then click on the "graded select" tool (the yellow highlighter) and click on the bond. A selected bond...
True and False questions!! 1. True and False Question (1) Carbonyl compounds have higher boiling points...
True and False questions!!
1. True and False Question (1) Carbonyl compounds have higher boiling points than hydrocarbons, but lower boiling points than corresponding alcohols. (2) Aldehydes and ketones react with primary amines to form imines and with secondary amines to form enamines. (3) Aldehydes and ketones can be oxidized to carboxylic acids. (4) Diols can form acetal with the ketone or aldehyde to protect them for selective reduction of the ester (5) The electron-withdrawing group in Wittig reagent does...
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. Several...
Carboxylic acids have higher than expected boiling points due to
dimeric associations involving hydrogen bonding. Several dimers of
3‑methylbutanoic acid (3‑methylbutyric acid) are shown where
proposed hydrogen bonding is represented by a dotted line.
Select the pair of compounds that show all of the expected
hydrogen bonds in a carboxylic acid dimer.
CH C HzCº. ---- H_CH, T 0 O= CH3 IM CH3 CH3 0 CH3 CH lyon НС 0- To CH3 IO-o CH3 Ó CH3 LCH C. Hzc OH...
1. True and False Question (0.5 point per question) a) Carbonyl compounds have higher boiling points...
1. True and False Question (0.5 point per question) a) Carbonyl compounds have higher boiling points than hydrocarbons, but lower boiling points than corresponding alcohols. b) Aldehydes and ketones react with primary amines to form imines and with secondary amines to form enamines. c) Aldehydes and ketones can be oxidized to carboxylic acids. d) Diols can form acetal with the ketone or aldehyde to protect them for selective reduction of the ester. e) The electron-withdrawing group in Wittig reagent does...
Alcohols have melting and boiling points higher than most other compounds of similar molar mass due...
Alcohols have melting and boiling points higher than most other compounds of similar molar mass due to D A lonic bonds OB dipol-dipole interactions OC London dispersion forces OD hydrogen bonds
Alcohols are weaker acids than carboxylic acids because: the anion in the conjugate base of the...
Alcohols are weaker acids than carboxylic acids because: the anion in the conjugate base of the alcohol is delocalised the anion in the conjugate base of the alcohol is localised the O-H group in the alcohol will undergo hydrogen bonding the O-H group in the alcohol will not undergo hydrogen bonding
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding, Several...
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding, Several dimers of 3-methylbutanoic acid (3-methylbutyric acid) are shown where proposed hydrogen bonding is represented by a dotted line. Select the pair of compounds that show all of the expected hydrogen bonds in a carboxylic acid dimer. CH3 0 HC 90 H3C CH3 0 CH HyComo сно < Assignment Score: 9.5% Resources < Question 11 of 20 > Io H3C H3C HCH₂ =0 HEC H...
why does HCN have a higher boiling point than FCN? ( has to do with intermolecular...
why does HCN have a higher boiling point than FCN? ( has to do with intermolecular forces?)
9) Why do alcohols have higher boiling points than lkanes 10) Draw the chemical structure of the major organic product formed in the following reactions CH3 a) HyPO4 он K2Cr2O, HCCH-CH2-CH3 b) он
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The structure of 3-methylbutyric acid is shown below. Draw a second molecule of 3-methylbutyric acid - oriented in the most stable dimeric configuration with the other molecule of acid-and show the intermolecular hydrogen bonds. To indicate a hydrogen bond, draw a regular single bond between the atoms, then click on the "graded select" tool (the yellow highlighter) and click on the bond. A selected bond...
True and False questions!!
1. True and False Question (1) Carbonyl compounds have higher boiling points than hydrocarbons, but lower boiling points than corresponding alcohols. (2) Aldehydes and ketones react with primary amines to form imines and with secondary amines to form enamines. (3) Aldehydes and ketones can be oxidized to carboxylic acids. (4) Diols can form acetal with the ketone or aldehyde to protect them for selective reduction of the ester (5) The electron-withdrawing group in Wittig reagent does...
Carboxylic acids have higher than expected boiling points due to
dimeric associations involving hydrogen bonding. Several dimers of
3‑methylbutanoic acid (3‑methylbutyric acid) are shown where
proposed hydrogen bonding is represented by a dotted line.
Select the pair of compounds that show all of the expected
hydrogen bonds in a carboxylic acid dimer.
CH C HzCº. ---- H_CH, T 0 O= CH3 IM CH3 CH3 0 CH3 CH lyon НС 0- To CH3 IO-o CH3 Ó CH3 LCH C. Hzc OH...
Alcohols have melting and boiling points higher than most other compounds of similar molar mass due to D A lonic bonds OB dipol-dipole interactions OC London dispersion forces OD hydrogen bonds
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding, Several dimers of 3-methylbutanoic acid (3-methylbutyric acid) are shown where proposed hydrogen bonding is represented by a dotted line. Select the pair of compounds that show all of the expected hydrogen bonds in a carboxylic acid dimer. CH3 0 HC 90 H3C CH3 0 CH HyComo сно < Assignment Score: 9.5% Resources < Question 11 of 20 > Io H3C H3C HCH₂ =0 HEC H...
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