Chem 103 Multiple Choice Final Exam Flashcards
A hydrocarbon with a double bond is a(n)
alkene
A hydrocarbon contains only the elements
carbon and hydrogen
An alkyne is always a carbon compound that contains a ________ bond.
triple
According to the IUPAC convention for chemical naming, which part of a hydrocarbon is selected as the main chain for a hydrocarbon chain?
the longest continuous chain, regardless of bends
Alkynes can show cis-trans isomerism.
true / false
false
Alkynes can show cis-trans isomerism.
true / false
false
According to Markovnikov’s rule, the hydrogen in HOH (water) adds to the carbon in the double bond
that has the greater number of hydrogen atoms attached
A compound that contains the ring structure of benzene is called a(n)
aromatic compound
In a cis alkene, the groups are on the same side of the double bond.
true / false
true
All alkenes show cis-trans isomerism.
true / false
false
A secondary alcohol can be easily oxidized to a carboxylic acid.
true / false
false
A phenol has an -OH group bonded to a(n)
aromatic carbon
Alcohols, ethers, and thiols contain oxygen atoms.
true / false
false
Alcohols, ethers, and phenols contain oxygen with only single bonds.
true / false
true
In the oxidation of an alcohol to a ketone, there is
a loss of hydrogen
What is the IUPAC name for CH3 - CH2 - CH2 - SH?
1-propanethiol
Hexanal would be soluble in water.
true / false
false
An acetal is formed from an aldehyde or ketone and one molecule of alcohol.
true / false
false
A hemiacetal has alkoxy and hydroxyl functional groups bonded to the same carbon.
true / false
true
Carbonyl compounds having fewer than four carbon atoms are very water soluble.
true / false
true
Propanal is more soluble than pentanal.
true / false
true
The carbonyl group gives aldehydes higher boiling points than alkanes of similar mass.
true / false
true
In the IUPAC naming system, a ketone is named by replacing the -e in the corresponding alkane name with
-one
Organic chemistry is the study of the chemistry of compounds of
carbon
The compound CH3-CH2-SH is in the organic family known as
thiols
Carbon atoms always have how many covalent bonds?
four