Multiple Choice Quiz

Multiple Choice Quiz

Multiple Choice Quiz


1		Determine the double bond stereochemistry (E or Z) for the following molecules.
			A)	A: E; B: E
			B)	A: Z; B: Z
			C)	A: E; B: Z
			D)	A: Z; B: E


2		Determine the double bond stereochemistry (E or Z) for the following molecules.
			A)	A: E; B: E
			B)	A: Z; B: Z
			C)	A: E; B: Z
			D)	A: Z; B: E


3		What is the IUPAC name of the following compound?
			A)	trans-2-methyl-3-pentene
			B)	(Z)-4-methyl-2-pentene
			C)	(E)-4-methyl-2-pentene
			D)	cis-3-hexene


4		What is the IUPAC name of the following compound?
			A)	(Z)-4-cyclohexyl-3-butene
			B)	(Z)-4-cyclohexyl-1-butene
			C)	(E)-1-cyclohexyl-3-butene
			D)	(E)-1-cyclohexyl-1-butene


5		Which is the correct name?
			A)	(Z)-2.3-diethyl-5-methyl-2-hexene
			B)	(E)-4-ethyl-3,6-dimethyl-3-heptene
			C)	(Z)-4-ethyl-3,6-dimethyl-3-heptene
			D)	(E)-4-ethyl-2,5-dimethyl-4-heptene


6		Which of the following alkenes is (1Z,4R)-1,4-dimethylcyclodecene?
			A)
			B)
			C)
			D)


7		Which of the following alkenes is (1E,3S)-1,3-dimethylcyclodecene?
			A)
			B)
			C)
			D)


8		What are all of the products formed in the following reaction?
			A)
			B)
			C)
			D)


9		What are the major alkenes formed in the following reaction?
			A)
			B)
			C)
			D)


10		What is the MOST stable alkene (A–D) formed in the following reaction?
			A)
			B)
			C)
			D)


11		What is the major product (A–D) formed in the following reaction?
			A)
			B)
			C)
			D)


12		Which is not a likely product formed when the following alcohol is treated with sulfuric acid?
			A)
			B)
			C)
			D)


13		How many rings and/or pi bonds are present in a hydrocarbon with the formula C₆H₁₀?
			A)	0
			B)	1
			C)	2
			D)	3


14		Which product is obtained upon the reaction of (Z)-2-hexene with HBr?
			A)	2,3-Dibromohexane
			B)	2-Bromohexane
			C)	3-Bromohexane
			D)	2-Bromohexane and 3-bromohexane


15		In which of the following alkenes will a hydrogen shift occur upon addition of HCl?
			A)
			B)
			C)
			D)


16		Markovnikov’s rule for the addition of hydrogen halides to alkenes states that the incoming hydrogen bonds to the
			A)	sp² carbon with the most hydrogens already.
			B)	sp² carbon with the fewest hydrogens already.
			C)	sp³ carbon with the most hydrogens already.
			D)	sp³ carbon with the most hydrogens already.


17		Predict the major product of the reaction of 1,4-pentadiene with excess HCl.
			A)	1,4-dichloropentane
			B)	1,5-dichloropentane
			C)	2,4-dichloropentane
			D)	4-chloro-1-pentene


18		Which energy diagram best describes the electrophilic addition of hydrogen halides to alkenes?
			A)
			B)
			C)
			D)


19		In the acid-catalyzed addition of water to propene, the rate-determining step is
			A)	attack of the double bond on the acid catalyst.
			B)	attack of water on the carbocation intermediate.
			C)	removal of proton/regeneration of the acid catalyst.
			D)	carbocation rearrangement.


20		Predict the product of the reaction of 1,4-pentadiene and excess H₃O⁺.
			A)	1,4-pentanediol
			B)	2,4-pentanediol
			C)	1.5-pentanediol
			D)	1,2-pentanediol


21		What is the proper electron-pushing mechanism for the acid-catalyzed hydration of an alkene?
			A)
			B)
			C)
			D)


22		The product of the reaction of cyclohexene and Br₂ in CCl₄ is
			A)	bromocyclohexane.
			B)	trans-1-bromo-2-chlorocyclohexane.
			C)	trans-1,2-dichlorocyclohexane.
			D)	trans-1,2-dibromocyclohexane.


23		The product of the reaction of 1-methylcyclohexene and Br₂ in CCl₄ is
			A)	1-bromo-1-methylcyclohexane.
			B)	(1S,2S)-2-bromo-1-methylcyclohexane + enantiomer.
			C)	(1S,2S)-1,2-dibromo-1-methylcyclohexane + enantiomer.
			D)	(S)-1,1-dibromo-2-methylcyclohexane + enantiomer.


24		The product of the reaction of 1-methylcyclohexene and Br₂ in H₂O is
			A)	(1S,2S)-2-bromo-1-methylcyclohexanol.
			B)	(1S,2R)-2-bromo-1-methylyclohexane.
			C)	(1S,2S)-1,2-dibromo-1-methylcyclohexane.
			D)	(1S,2R)-1-bromo-2-methylcyclohexanol.


25		Which of the following products are obtained upon the addition of Br₂ in CCl₄ to (Z)-2-pentene?
			A)	b and d
			B)	a and b
			C)	a and d
			D)	c and d


26		Which reagents are needed to carry out the following transformation efficiently?
			A)	1) H₂SO₄, H₂O, warm 2) Neutralization
			B)	1) H₂SO₄, HOAc, warm 2) KOH, H₂O, warm
			C)	1) B₂H₆ 2) H₂O₂, NaOH
			D)	1) O₃ 2) Me₂S


27		What is the product of the following reaction?
			A)
			B)
			C)
			D)


28		Which of the following statements about hydroboration–oxidation is CORRECT?
			A)	It is stereoselective and regioselective overall.
			B)	It is regioselective but not stereoselective overall.
			C)	It is stereoselective but not regioselective overall.
			D)	It is neither stereoselective nor regioselective


29		Predict the product of the following reaction.
			A)	(1R,2S)-2,3,3-trimethylcyclohexanol + enantiomer
			B)	(R)-1,2,2-trimethylcyclohexanol + enantiomer
			C)	(1S,2S)-2,3,3-trimethylcyclohexanol + enantiomer
			D)	(1R,2S)-2,3,3-trimethylcyclohexanediol + enantiomer

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