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Lesson 1: Introduction to Organic Chemistry, Wöhler’s Synthesis and Alkanes — Picture questions (exam style)

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  • Questions count: 11
  • Passing grade: 60%
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1.
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
(A): propan-1-ol ، (B): ethanal ، (C): ethane-1,2-diol
(A): ethane-1,2-diol ، (B): propan-1-ol ، (C): ethanal
(A): propan-1-ol ، (B): ethane-1,2-diol ، (C): ethanal
(A): ethane-1,2-diol ، (B): ethanal ، (C): propan-1-ol
2.
How many structural isomers does C₄H₁₀ have (figure), and what are they?
How many structural isomers does C₄H₁₀ have (figure), and what are they?
number of isomers = 3, propanoic acid and two esters
number of isomers = 2, propanoic acid and two esters
number of isomers = 2, butane and 2-methylpropane
number of isomers = 2, ethanol and dimethyl ether
3.
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
(A): propan-1-ol ، (B): ethanol ، (C): ethanoic acid
(A): ethanoic acid ، (B): propan-1-ol ، (C): ethanol
(A): ethanoic acid ، (B): ethanol ، (C): propan-1-ol
(A): ethanol ، (B): ethanoic acid ، (C): propan-1-ol
4.
How many structural isomers does C₃H₆O₂ have (figure), and what are they?
How many structural isomers does C₃H₆O₂ have (figure), and what are they?
number of isomers = 3, ethanol and dimethyl ether
number of isomers = 3, propanoic acid and two esters
number of isomers = 3, ethanoic acid and methyl methanoate
number of isomers = 4, ethanoic acid and methyl methanoate
5.
How many structural isomers does C₂H₆O have (figure), and what are they?
How many structural isomers does C₂H₆O have (figure), and what are they?
number of isomers = 2, ethanol and dimethyl ether
number of isomers = 2, ethanoic acid and methyl methanoate
number of isomers = 3, propanoic acid and two esters
number of isomers = 3, ethanol and dimethyl ether
6.
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
(A): butane ، (B): ethanal ، (C): ethanol
(A): ethanol ، (B): ethanal ، (C): butane
(A): ethanal ، (B): butane ، (C): ethanol
(A): ethanal ، (B): ethanol ، (C): butane
7.
How many structural isomers does C₂H₄O₂ have (figure), and what are they?
How many structural isomers does C₂H₄O₂ have (figure), and what are they?
number of isomers = 2, ethanoic acid and methyl methanoate
number of isomers = 3, ethanol and dimethyl ether
number of isomers = 4, propanoic acid and two esters
number of isomers = 3, propanoic acid and two esters
8.
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
(A): ethanoic acid ، (B): 2-methylpropane ، (C): ethanol
(A): 2-methylpropane ، (B): ethanoic acid ، (C): ethanol
(A): ethanoic acid ، (B): ethanol ، (C): 2-methylpropane
(A): ethanol ، (B): 2-methylpropane ، (C): ethanoic acid
9.
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
(A): propane-1,2,3-triol ، (B): 2-methylpropane ، (C): propan-1-ol
(A): propan-1-ol ، (B): propane-1,2,3-triol ، (C): 2-methylpropane
(A): 2-methylpropane ، (B): propane-1,2,3-triol ، (C): propan-1-ol
(A): propane-1,2,3-triol ، (B): propan-1-ol ، (C): 2-methylpropane
10.
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
(A): ethanoic acid ، (B): propane-1,2,3-triol ، (C): pentane
(A): propane-1,2,3-triol ، (B): ethanoic acid ، (C): pentane
(A): pentane ، (B): propane-1,2,3-triol ، (C): ethanoic acid
(A): pentane ، (B): ethanoic acid ، (C): propane-1,2,3-triol
11.
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
Three organic compounds A, B, C have boiling points A > B > C. Which option is correct? (compounds shown in random order)
(A): ethanoic acid ، (B): ethane-1,2-diol ، (C): ethanol
(A): ethane-1,2-diol ، (B): ethanoic acid ، (C): ethanol
(A): ethanol ، (B): ethane-1,2-diol ، (C): ethanoic acid
(A): ethane-1,2-diol ، (B): ethanol ، (C): ethanoic acid
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