Exam 1

Carbon
What element is found in all organic compounds?
Carbon and hydrogen
What two elements are found in all hydrocarbons?
Alkenes
Which type of hydrocarbon contains at least one carbon-carbon double bond?
Butane
Straight chain alkane with four carbon atoms
Hexane
Straight chain alkane with six carbon atoms.
Alkene
What type of compound can undergo an addition reaction?
0
How many double bonds are in every benzene ring?
6
How many electrons are in a pi cloud in a benzene ring?
The pi bond portion of the double bond
What one of the following explains the greater chemical reactivity of the alkenes?
Markovnikov’s rule
The rule that describes the addition of water across a double bond is termed:
the H goes to the carbon that contains more hydgrogen atoms
Which one of the following is the actual rule from question 30? (Markovnikov’s rule)
Molecular formula
Which one of the following shows only the number and kind of each atom in a compound?
Structural formula
Which one of the following shows the number and kind of each atom in a compound and how they are attached?
Constitutional isomers
If two compounds have the same molecular formula but different structural formulas these compounds are referred to as:
Stereoisomers
If two compounds have the same molecular and structural formulas but different three-dimensional shapes they are referred to as: