Hydrocarbons
What is the general empirical formula of alkenes?
CnH2n
Different compounds with different chemical and physical properties are _____ .
Structural Isomers
What is the name of the smallest alkyne?
Ethyne
What is the functional group ending in OH?
Hydroxyl group
True or false: Alkenes are generally more reactive than alkanes
True
How many hydrogens would need to be added to propyne to make it a saturated hydrocarbon?
4
Stereoisomers are defined as having the…
Stereoisomers are defined as having the same structural formula but a different arrangement in space.
What are compounds that contain a benzene ring called?
Aromatic
The functional group ending in COH is ____ .
Aldehydes
Which of structural isomers of C6H₁4 has the highest boiling point?
hexane
How many hydrogen atoms would an alkyne containing 16 carbon atoms have?
30
Diastereomers occur when two carbon atoms that share a double bond have…
2 different groups attached to them
Unsaturated cyclic hydrocarbons are called...
Cycloalkenes or cycloalkynes
A carbon double bonded to an oxygen in the middle of a molecule is a _____ .
Ketone
Terminal alkenes have slightly ______ boiling points than their alkane counterparts, but cis, trans, and cyclic alkenes have slightly _________ boiling points
Lower, higher
What is the molecular formula of cyclopentane?
C5H10
What does it mean for enantiomers to be non-superimposable mirror images?
Isomers that are mirror reflections of each other but cannot be placed over each other in a way that all parts match perfectly.
This is the correct IUPAC name of the hydrocarbon: (CH₃)₂CHCH₂CH₃
2-methylbutane
Compared to alkenes of similar molecular weights, alkynes…
Have higher boiling points
A hydrocarbon has a molecular formula of C₇H₁₂. It is acyclic. Is it an alkane, alkene, or alkyne?
Alkyne
How many diastereomers does but-1-ene have?
0
What is the name of the ketone that has the same molecular formula as butanal?
Butanone
This functional group leads to linear geometry around the carbon-carbon bond.
Alkynes
A chemist has two samples of but-2-ene. One sample has a melting point of -139°C and the other sample has a melting point of -105.6°C.
What would explain this difference?
The samples are stereoisomers