Welcome to the Quiz!
This quiz contains 9 questions from a mix of 1 subtopics.
What is the general formula for alkenes?
CnHn
CnH2n+2
CnH2n-2
CnH2n
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Which of the following statements about alkenes is true?
they are saturated hydrocarbons
they contain only single carbon-carbon bonds
they have at least one carbon-carbon double bond
they are less reactive than alkanes
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How many hydrogen atoms are present in a cyclic alkene with 6 carbon atoms?
14
12
10
8
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How is the electron density distributed in a pi (π) bond?
there is no electron density in a pi bond
directly between the nuclei
above and below the bond axis
evenly around the bond
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What is the approximate bond angle around each carbon atom in a carbon-carbon double bond?
109.5°
180°
90°
120°
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Which of the following describes the geometry of carbon atoms in a carbon-carbon double bond?
trigonal planar
linear
tetrahedral
octahedral
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Alkenes can readily participate in which type of reaction due to the presence of the pi (π) bond?
substitution reactions
elimination reactions
addition reactions
redox reactions
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Which of the following statements comparing alkenes and alkanes is true?
alkanes are more reactive than alkenes
reactivity cannot be compared between alkenes and alkanes
alkenes and alkanes have similar reactivity
alkenes are more reactive than alkanes
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What makes the pi (π) bond electrons highly accessible for reactions?
high bond enthalpy
low electron density
high electron density
linear shape
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