Chem 1020- Test 2 Answers
What element is present in thiols, but not alcohols? - answerS- Sulfur
What is true about fatty acids? (Define fatty acids.) - answer They are unbranched
carboxylic acids containing 12 to 20 carbon atoms.
What is produced when Benzene reacts with chlorine in the presence of an iron
catalyst? – answer chlorobenzene and hydrogen chloride
Saponification is an example of what type of reaction? - answer ester hydrolysis
Which of the following statements is true of hemiacetals?
a) All hemiacetals are unstable.
b) Hemiacetals have to 8 groups bonded to the same carbon.
c) All hemiacetals are stable.
d) Some cyclic hemiacetals are stable. - answerd) Some cyclic hemiacetals are stable.
What will be obtained by the reaction of pentanal with H₂ in the presence of a transition
metal catalyst? - answer1-pentanol
Which of the following has the lowest water solubility?
a) butanal
b) heptanal
c) hexanal
d) pentanal - answerb) heptanal
Which of the following alcohols has the lowest boiling point?
a) 1-octanol
b) 1-heptanol
c) 1-hexanol
d) 1-pentanol - answerd) 1-pentanol
What reagents/catalysts would be needed to convert benzene to p-bromonitrobenzene?
- answerHNO₃/H₂SO₄/Heat and Br₂/FeBr₃
Which of the following alcohols is the most soluble in water?
a) 1,3,5-pentanetriol
b) 1-pentanol
c) 1,5-pentanediol
d) None, the are all equally soluble - answera) 1,3,5-pentanetriol
Which of the following has the highest boiling point?
What element is present in thiols, but not alcohols? - answerS- Sulfur
What is true about fatty acids? (Define fatty acids.) - answer They are unbranched
carboxylic acids containing 12 to 20 carbon atoms.
What is produced when Benzene reacts with chlorine in the presence of an iron
catalyst? – answer chlorobenzene and hydrogen chloride
Saponification is an example of what type of reaction? - answer ester hydrolysis
Which of the following statements is true of hemiacetals?
a) All hemiacetals are unstable.
b) Hemiacetals have to 8 groups bonded to the same carbon.
c) All hemiacetals are stable.
d) Some cyclic hemiacetals are stable. - answerd) Some cyclic hemiacetals are stable.
What will be obtained by the reaction of pentanal with H₂ in the presence of a transition
metal catalyst? - answer1-pentanol
Which of the following has the lowest water solubility?
a) butanal
b) heptanal
c) hexanal
d) pentanal - answerb) heptanal
Which of the following alcohols has the lowest boiling point?
a) 1-octanol
b) 1-heptanol
c) 1-hexanol
d) 1-pentanol - answerd) 1-pentanol
What reagents/catalysts would be needed to convert benzene to p-bromonitrobenzene?
- answerHNO₃/H₂SO₄/Heat and Br₂/FeBr₃
Which of the following alcohols is the most soluble in water?
a) 1,3,5-pentanetriol
b) 1-pentanol
c) 1,5-pentanediol
d) None, the are all equally soluble - answera) 1,3,5-pentanetriol
Which of the following has the highest boiling point?