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WorksheetsAlkenes & Alkynes
Total questions: 21
Worksheet time: 11mins
In alkanes, each carbon atom is bonded to how many other atoms?
two
three
four
five
Hydrocarbons that contain a double bond are classified as ___
alkanes
alkenes
alkynes
alkines
Hydrocarbons that contain a triple bond are called ___
alkanes
alkenes
alkynes
alkones
A hydrocarbon with three carbons and one double bond is called ___
propane
butane
propene
butene
A hydrocarbon with three carbons and one triple bond is called ___
propane
propanone
propene
propyne
Single bonds, such as those in alkanes, are also called ___
theta bonds
pi bonds
sigma bonds
omega bonds
A double bond, such as those in alkenes, consists of ___
a sigma bond
a pi bond
a sigma bond and a pi bond
a sigma bond and two pi bonds
Isomers that occur due to restricted rotation around a double bond are classified as ___
structural isomers
tautomers
spin isomers
cis-trans isomers
In 2-butene, If the methyl groups are on the same side of the double bond, we call it ___
delta- 2-butene
cis-2-butene
sigma-2-butene
trans-2-butene
In 2-butene, If the methyl groups are across the double bond from each other, we call it ___
far-2-butene
cis-2-butene
cis-trans-butene
trans-2-butene
The triple bonds in alkynes are composed of ___
two sigma bonds and a pi bond
two pi bonds
one sigma bond and a pi bond
one sigma bond and two pi bonds
Reactions that open up a double or triple bond to insert various atoms are called ___
summation reactions
addition reactions
substitution reactions
elimination reactions
Specifically, when a hydrocarbon undergoes an addition reaction with a water molecule it's called ___
hydrogenation
hydroxynation
hydration
liquidation
When three fatty acids are bonded to a molecule of glycerol it's called ___
a triglyceride
a saturated fat
chained glycerol
a polyglot
In a saturated fat, all of the carbon chains in the triglyceride are ___
alkanes
alkenes
alkynes
pi bonded
Which type of fat is most likely to be solid at room temperature?
saturated fats
monounsaturated fats
polyunsaturated fats
omega-3 fat
Vegetable oils are generally polyunsaturated fats, meaning that they have lots of ___
vitamins
double bonds
minerals
stability
What process do food chemists use to saturate an unsaturated fat, making it spreadable and stabilizing it?
hydrogenation
halogenation
desaturation
elimination
Which type of fat has a double bond located three carbons from the end of the fatty acid?
alpha-3 fats
3-hydroxy fats
trisaturated fats
omega-3 fats
Which type of fats, which are really bad for you, are created by partially hydrogenating vegetable oil?
omega-6 fats
omega-3 fats
cis fats
trans fats
Almost all natural unsaturated fats are ___
cis fats
trans fats
alpha fats
omega fats
