Organic Chemistry Final Exam; Questions and Answers 100% Solved
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Course
Chem 104
Institution
Chem 104
Organic Chemistry Final Exam; Questions and
Answers 100% Solved
Which of the following is not a lipid?
A) vitamin D
B) triglyceride
C) cholesterol
D) phenol
E) omega-3 fatty acid Correct answer D) phenol
As the number of C=C double bonds in a fatty acid _______, the melting point ____.
A)...
Organic Chemistry Final Exam ; Questions and Answers 100% Solved Which of the following is not a lipid? A) vitamin D B) triglyceride C) cholesterol D) phenol E) omega -3 fatty acid Correct answer D) phenol As the number of C=C double bonds in a fatty acid _______, the melting point ____. A) increases, increases B) increases, decreases C) decreases, decreases Correct answer B) increases, decreases A biological molecule is shown here. What is the most likely classification of this molecule? A) carbohydrate B) protein C) lipid D) nucleic acid Correct answer C) lipid Classify the lipid shown here as saturated or unsaturated and determine the number of carbon atoms present. A) saturated, 18 B) unsaturated, 18 C) saturated, 17 D) unsaturated, 17 E) unsaturated, 16 Correct answer B) unsaturated, 18 Organic Chemistry Final Exam ; Questions and Answers 100% Solved What type of lipid is shown here? A) fatty acid B) steroid C) vitamin D) wax Correct answer A) fatty acid The majority of natural unsaturated fatty acids exist in what configuration? A) trans B) cis C) gauche D) meta E) para Correct answer B) cis What type of lipid contains the structural core shown here? (hexagons branching off one another) A) fatty acid B) steroid C) wax D) triglyceride E) sphingolipid Correct answer B) steroid What is the difference between integral and peripheral proteins? A) Integral proteins are required for the cell to function, while peripheral proteins are accessory. B) Integral proteins are found on the outside of the cell, while peripheral proteins are found on the inside of the cell. C) Integral proteins extend through the lipid bilayer, and peripheral proteins are just on the surface of the inside or outside of the cell. Organic Chemistry Final Exam ; Questions and Answers 100% Solved D) Integral proteins are found on the inside of the cell, while peripheral proteins are found on the outside of the cell. E) Integral proteins are channel proteins and peripheral proteins act as enzymes. Correct answer C) Integral proteins extend through the lipid bilayer, and peripheral proteins are just on the surface of the inside or outside of the cell. What term(s) best describe cell membranes? A) Semi -permeable B) Fluid mosaic model C) Phospholipid bilayer D) Liquid -like E) All of the terms are correct Correct answer E) All of the terms are correct The predominant intermolecular force between molecules of I₂ is _____ A) ionic bonds. B) dipole -dipole interactions. C) ion -dipole interactions. D) dispersion forces. E) covalent bonds. Correct answer D) dispersion forces. Which of the following would exhibit hydrogen bonding in a pure substance? A) HCl B) CH₃CH₃ C) CF₂H₂ D) CH₃CH₂OH E) CH₃OCH₃ Correct answer D) CH₃CH₂OH Organic Chemistry Final Exam ; Questions and Answers 100% Solved What intermolecular forces are present between two molecules of HI? A) dispersion only B) dipole -dipole only C) hydrogen bonding only D) dispersion and dipole -dipole E) dispersion and hydrogen bonding Correct answer D) dispersion and dipole -dipole Identify the type or types of intermolecular forces present between molecules of the compound pictured below: A) dispersion only B) dipole -dipole C) hydrogen bonding D) dispersion and dipole -dipole only E) dispersion, dipole -dipole, and hydrogen bonding Correct answer E) dispersion, dipole -
dipole, and hydrogen bonding Which is expected to have the lowest vapor pressure? A) CH₄ B) SiH₄ C) NH₃ D) PH₃ E) H₂O Correct answer E) H₂O Which of the following has the lowest boiling point? A) C₅H₁₂ B) C₇H₁₆ C) C₉H₂₀
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