CHAPTER 20(2) Flashcards
Carbonyl groups include the following:
aldehydes and alchohols
aldehydes and ketones
ketones and alcohols
aldehydes and ethers
aldehydes and ketones
The carbonyl group is ___________, and the bond angles around the carbon are approximately ________ degrees.
non-polar, 120
polar, 90
polar, 120
non-polar, 90
polar, 120
The minimum number of carbon atoms in an aldehyde is _______, whereas the minimum number of carbon atoms in a ketone is _______.
one, three
two, one
one, two
three, one
one, three
The intermolecular forces in alkanes, ketones and alchols include, respectively:
dipole, dispersion only, hydrogen bonding
dispersion only, dipole, hydrogen bonding
dispersion only, dispersion only, hydrogen bonding
dispersion only, hydrogen bonding, hydrogen bonding
dispersion only, dipole, hydrogen bonding
When comparing the solubility of compounds in water, for compounds of approximately the same molecular weight, you expect the solubilty to increase in which order according to functional group:
alkanes, ethers, aldehydes/ketones, alcohols
alcohols, aldehydes/ketones, ethers, alkanes
alkanes, aldehydes/ketones, alcohols, ethers
alkanes, ethers, alcohols, aldehydes/ketones
alkanes, ethers, aldehydes/ketones, alcohols
When comparing boiling points, for compounds of approximately the same molecular weight, you expect the boiling points to increase in which order according to functional group:
alkanes, aldehydes/ketones, alcohols, ethers
alkanes, ethers, aldehydes/ketones, alcohols
alcohols, aldehydes/ketones, ethers, alkanes
alkanes, ethers, alcohols, aldehydes/ketones
alkanes, ethers, aldehydes/ketones, alcohols
The oxidation numbers for carbon in the following carbon compounds, ranked from lowest (most reduced) to highest (completely oxidised) would be:
fully saturated, alcohol, aldehyde, carboxylic acid, carbon dioxide
fully saturated, alcohol, aldehyde, carbon dioxide, carboxylic acid
carbon dioxide, fully saturated, alcohol, aldehyde, carboxylic acid
Carbon dioxide, carboxylic acid, aldehyde, alcohol, fully saturated
fully saturated, alcohol, aldehyde, carboxylic acid, carbon dioxide
Under mild oxidising conditions, primary, secondary and tertiary alchols may be oxidised respectively to:
aldehydes, ketones, ketones
ketones, aldehydes, ketones
aldehydes, ketones, no reaction
no reaction, ketones, aldehydes
aldehydes, ketones, no reaction
Sequential oxidation of a primary alcohol will yield:
a carboxylic acid followed by a ketone.
an ketone followed by a carboxylic acid.
an aldehyde followed by a carboxylic acid.
an aldehyde followed by a ketone.
an aldehyde followed by a carboxylic acid.
When comparing the solubility in water of esters and carboxylic acids of similar molecular masses, we could say that:
Carboxylic acids are more water soluble than esters.
Esters and carboxylic acids would have similar solubilities in water.
Esters are more water soluble than carboxylic acids.
none of these
Carboxylic acids are more water soluble than esters.
Amines are weak __________ because the nitrogen in amines has a pair of _______________ available for bonding with H+.
bases, protons
acids, electrons
bases, electrons
acids, H+
bases, electrons
