Multiple Choice Quiz

Multiple Choice Quiz

Multiple Choice Quiz


1		The major product of the reaction of 1,2-dibromobutane and excess NaNH₂ is
			A)	2-bromo-1-butene.
			B)	1-bromo-1-butene.
			C)	1-butyne.
			D)	1,2-butadiene.


2		Alkynes may be formed directly via elimination from which of the following?
			A)	alkanes
			B)	bromoalkenes
			C)	alcohols
			D)	alkenes


3		The major product of the reaction of 2,2-dichloropropane and excess NaNH₂ is
			A)	propyne.
			B)	1,2-propadiene.
			C)	2-chloropropene.
			D)	2-chloropropane


4		Which of the following dibromides would yield 2-butyne upon elimination?
			A)	III
			B)	II and III
			C)	II and IV
			D)	I


5		Which of the following is the MOST acidic?
			A)	1-butyne
			B)	2-butyne
			C)	1-butene
			D)	butane


6		Which of the following will produce 4-methyl-1-pentyne?
			A)	ethyne + 1) NaNH₂ 2) 1-iodobutane
			B)	propyne + 1) NaNH₂ 2) 1-iodopropane
			C)	ethyne + 1) NaNH₂ 2) 1-iodo-2-methylpropane
			D)	propyne + 1) NaNH₂ 2) 2-iodopropane


7		Predict the product of the following reaction sequence. ethyne + 1) excess NaNH₂ 2) excess I–CH₂–(CH₂)₂–CH₃ →
			A)	6-iodo-1-hexyne
			B)	1-hexyne
			C)	5-decyne
			D)	1-iodo-1-hexene


8		Which of the following anions is the WEAKEST base?
			A)	a
			B)	b
			C)	c
			D)	d


9		Which of the following anions is the STRONGEST base?
			A)	a
			B)	b
			C)	c
			D)	d


10		Which of the following alkynes reacts with sodium amide?
			A)	Cyclodecyne
			B)	2-Pentyne
			C)	2-Butyne
			D)	1-Hexyne


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


12		Predict the product of the reaction of 1-pentyne and excess Br₂.
			A)	1,1-dibromo-1-pentene
			B)	1,2-dibromo-1-pentene
			C)	1,1,2,2-tetrabromopentane
			D)	2,2-dibromo-1-pentene


13		Predict the product of the reaction of 2-pentyne and excess Br₂/CCl₄.
			A)	2,3-dibromo-2-pentene
			B)	2,2-dibromo-3,3-dichloropentane
			C)	2,3-dichloro-2-pentene
			D)	2,2,3,3-tetrabromopentane


14		Predict the product of the reaction of 1,4-pentadiyne and excess Cl₂.
			A)	1,1,5,5-tetrachloropentane
			B)	1,2,4,5-tetrachloro-1,4-pentadiene
			C)	1,2,4,5-tetrachloropentane
			D)	1,1,2,2,4,4,5,5-octachloropentane


15		Which product forms when 4-octyne reacts with one equivalent of bromine?
			A)	(Z)-3,4-Dibromo-3-octene
			B)	(Z)-3,4-Dibromo-3-octene
			C)	(E)-4,5-Dibromo-4-octene
			D)	(Z)-4,5-Dibromo-4-octene


16		Which product is obtained from the reaction of 1-hexyne with excess chlorine?
			A)	2,2-Dichlorohexane
			B)	1,2-Dichlorohexane
			C)	1,2-Dichloro-1-hexene
			D)	1,1,2,2-Tetrachlorohexane


17		Predict the product of the reaction of 1-pentyne and excess HBr.
			A)	1,1-dibromopentane
			B)	1,2-dibromopentane
			C)	2,2-dibromopentane
			D)	2-bromo-1-pentene


18		Predict the product of the reaction of 1-pentyne and excess HBr in the presence of hydrogen peroxide.
			A)	1,1-dibromopentane
			B)	1,2-dibromopentane
			C)	2,2-dibromopentane
			D)	2-bromo-1-pentene


19		Predict the product of the reaction of 1-pentyne and excess HCl in the presence of hydrogen peroxide.
			A)	1,1-dichloropentane
			B)	1,2-dichloropentane
			C)	2,2-dichloropentane
			D)	2-chloro-1-pentene


20		How many products would be expected from the reaction of 1,5-heptadiyne with excess HCl?
			A)	1
			B)	2
			C)	3
			D)	4


21		Identify the product of the following reaction.
			A)
			B)
			C)
			D)

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