CHEM 1020 FINAL ACTUAL TEST SCRIPT 2026
VERIFIED SOLUTIONS
◉ which of the following hydrocarbons will be the most acidic?
Answer: acetylene
◉ what is true about acetylene? (ethyne) Answer: it is more acidic
than ethane and ethene
the bond angle around the carbon-carbon triple bond is 180
the carbon-carbon triple bond is shorter than the carbon-carbon
double bond
◉ what is the percent s character in an sp2 hybrid orbital? Answer:
33%
◉ what is the percent s character in an sp hybrid orbital? Answer:
50%
◉ what are the necessary reagents to convert cycloheptene to
cycloheptane? Answer: H2 and Ni
◉ what are the necessary reagents to convert 1-methylcyclopentene
to 1-methylcyclopentanol Answer: h20 and h2so4
,◉ the products obtained by the acid-catalyzed hydration of 1-
methylcyclohexene and methylenecyclohexene are Answer: identical
◉ what type of compound is prepared by adding water to propyne in
the presence of sulfuric acid and mercuric sulfate? Answer: ketone
◉ addition of H2 to 2-pentyne in the presence of the Lindlar's
catalyst will produce Answer: cis-2-pentene
◉ which of the following statements about chemical reactions are
true? Answer: exothermic reactions give off heat, the products of
exothermic reactions are lower in energy than the reactants
◉ Steroisomers Answer: Same structural formula but different
arrangement in space
◉ if they have the same molecular formula, but different IUPAC
names they are Answer: constitutional isomers
◉ Markovnikov addition of HCL to propene involves Answer:
formation of an isopropyl cation
, ◉ what type of carbocation will form from the addition of a H+ to 2-
methylpropene? Answer: 3 degree
◉ cyclohexene is treated with cold dilute KMnO4. What is the spatial
arrangement of the hydroxyls on the resulting cyclohexane ring?
Answer: 1,2 cis
◉ the first step in the free radical mechanism for the preparation of
polyethylene is Answer: heating an organic peroxide to break the O-
O bond
◉ polyethylene is usually produced by Answer: a free-radical chain
reaction
◉ which of the following reagents can be used to distinguish
cyclohexene from cyclohexane? Answer: br2, CCl4
◉ the higher the activation energy the Answer: slower reaction
◉ h2so4 is a Answer: strong acid
◉ hydronium ion Answer: H3O+
◉ oxonium ion Answer: h20 on an alkyl group
VERIFIED SOLUTIONS
◉ which of the following hydrocarbons will be the most acidic?
Answer: acetylene
◉ what is true about acetylene? (ethyne) Answer: it is more acidic
than ethane and ethene
the bond angle around the carbon-carbon triple bond is 180
the carbon-carbon triple bond is shorter than the carbon-carbon
double bond
◉ what is the percent s character in an sp2 hybrid orbital? Answer:
33%
◉ what is the percent s character in an sp hybrid orbital? Answer:
50%
◉ what are the necessary reagents to convert cycloheptene to
cycloheptane? Answer: H2 and Ni
◉ what are the necessary reagents to convert 1-methylcyclopentene
to 1-methylcyclopentanol Answer: h20 and h2so4
,◉ the products obtained by the acid-catalyzed hydration of 1-
methylcyclohexene and methylenecyclohexene are Answer: identical
◉ what type of compound is prepared by adding water to propyne in
the presence of sulfuric acid and mercuric sulfate? Answer: ketone
◉ addition of H2 to 2-pentyne in the presence of the Lindlar's
catalyst will produce Answer: cis-2-pentene
◉ which of the following statements about chemical reactions are
true? Answer: exothermic reactions give off heat, the products of
exothermic reactions are lower in energy than the reactants
◉ Steroisomers Answer: Same structural formula but different
arrangement in space
◉ if they have the same molecular formula, but different IUPAC
names they are Answer: constitutional isomers
◉ Markovnikov addition of HCL to propene involves Answer:
formation of an isopropyl cation
, ◉ what type of carbocation will form from the addition of a H+ to 2-
methylpropene? Answer: 3 degree
◉ cyclohexene is treated with cold dilute KMnO4. What is the spatial
arrangement of the hydroxyls on the resulting cyclohexane ring?
Answer: 1,2 cis
◉ the first step in the free radical mechanism for the preparation of
polyethylene is Answer: heating an organic peroxide to break the O-
O bond
◉ polyethylene is usually produced by Answer: a free-radical chain
reaction
◉ which of the following reagents can be used to distinguish
cyclohexene from cyclohexane? Answer: br2, CCl4
◉ the higher the activation energy the Answer: slower reaction
◉ h2so4 is a Answer: strong acid
◉ hydronium ion Answer: H3O+
◉ oxonium ion Answer: h20 on an alkyl group
