39. Which of the following class of molecules is most likely to act as a base? A) alkyne B) amine C) carboxylic acid D) ester 40. Which types of compounds are saturated hydrocarbons? A) Alkanes B) Alkenes C) Alkynes D) Aromatic hydrocarbons All of the hydrocarbons above are unsaturated hydrocarbons. E) 41. What is the IUPAC name of this compound? CH,CH3 A) Ethyl-methyl-cyclopropane B) 1-Ethyl-2-methylcyclopropane C) Ethyl-2-methylcyclobutane D) Ethyl-2-methylcyclotriane E) 1-Ethyl-2-methylcyclobutane 42. What is the structure of 2-methylhexane? A) (CH)2СНОH-CH-CH3 B) (CH3);CCH2CH2CH2CH3 C) CH;CH2CH2CH2CH2CH2CH3 D) (CH),СНCH,CH,CH,СН:

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#39 and #41
39. Which of the following class of molecules is most likely to act as a base?
A) alkyne
B) amine
C) carboxylic acid
D) ester
40. Which types of compounds are saturated hydrocarbons?
Alkanes
A)
Alkenes
B)
C)
Alkynes
D)
Aromatic hydrocarbons
E)
All of the hydrocarbons above are unsaturated hydrocarbons.
41. What is the IUPAC name of this compound?
H3C
CH2CH3
A) Ethyl-methyl-cyclopropane
D) Ethyl-2-methylcyclotriane
B)
1-Ethyl-2-methylcyclopropane
E)
1-Ethyl-2-methylcyclobutane
C) Ethyl-2-methylcyclobutane
42. What is the structure of 2-methylhexane?
A) (CH3)2CHCH2CH2CH3
B) (CH3);CCH»CH2CH,CH3
C) CH;CH2CH2CH2CH2CH2CH3
D) (CH3)2CHCH2CH,CH2CH3
43. Which name is not a valid IUPAC name for an alkane?
A) 2,3,4-Trimethylhexane
B) 1-Ethyl-2-butylpentane
C)
1-Butyl-2-ethylcyclopentane
D) 5-Butyl-2-methylnonane
44. What organic product is formed when a carboxylic acid reacts with an alcohol in the presence of
acid?
A) An ether
B) An ester
C) A ketone
D) An amide
Transcribed Image Text:39. Which of the following class of molecules is most likely to act as a base? A) alkyne B) amine C) carboxylic acid D) ester 40. Which types of compounds are saturated hydrocarbons? Alkanes A) Alkenes B) C) Alkynes D) Aromatic hydrocarbons E) All of the hydrocarbons above are unsaturated hydrocarbons. 41. What is the IUPAC name of this compound? H3C CH2CH3 A) Ethyl-methyl-cyclopropane D) Ethyl-2-methylcyclotriane B) 1-Ethyl-2-methylcyclopropane E) 1-Ethyl-2-methylcyclobutane C) Ethyl-2-methylcyclobutane 42. What is the structure of 2-methylhexane? A) (CH3)2CHCH2CH2CH3 B) (CH3);CCH»CH2CH,CH3 C) CH;CH2CH2CH2CH2CH2CH3 D) (CH3)2CHCH2CH,CH2CH3 43. Which name is not a valid IUPAC name for an alkane? A) 2,3,4-Trimethylhexane B) 1-Ethyl-2-butylpentane C) 1-Butyl-2-ethylcyclopentane D) 5-Butyl-2-methylnonane 44. What organic product is formed when a carboxylic acid reacts with an alcohol in the presence of acid? A) An ether B) An ester C) A ketone D) An amide
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