Question 1

Which of the following oils would consume the greatest number of equivalents of hydrogen when subject to catalytic hydrogenation?

Accepted Answer

A)  corn oil 
B)  olive oil 
C)  canola oil 
D)  linseed oil 
A)  corn oil 
B)  olive oil 
C)  canola oil 
D)  linseed oil

Question 2

A terpene is believed to have one of the structures below. Based on the isoprene rule, which structure is more likely. Explain your reasoning.   or

Accepted Answer

The answer of A terpene is believed to have one...

Question 3

Draw a neat conformational structure of the compound below

Accepted Answer

The answer of Draw a neat conformational structure of the...

Question 4

Which of the following is an unsaturated fatty acid?

Accepted Answer

A)  adipic acid 
B)  linoleic acid 
C)  stearic acid 
D)  palmitic acid 
E)  oxalic acid 
A)  adipic acid 
B)  linoleic acid 
C)  stearic acid 
D)  palmitic acid 
E)  oxalic acid

Question 5

What reagent is needed to convert CH3(CH2)14CO2H to CH3(CH2)14COCl?

Accepted Answer

Question 6

Most of the principal sex hormones in humans are:

Accepted Answer

A)  triglycerides. 
B)  prostaglandins. 
C)  steroids. 
D)  phospholipids. 
E)  terpenes. 
A)  triglycerides. 
B)  prostaglandins. 
C)  steroids. 
D)  phospholipids. 
E)  terpenes.

Question 7

The compound ________ is used in the treatment of asthma and rheumatoid arthritis.

Accepted Answer

A)  digitoxigenin 
B)  cortisol 
C)  PGE1 
D)  ethynyl estradiol 
E)  myrcene 
A)  digitoxigenin 
B)  cortisol 
C)  PGE1 
D)  ethynyl estradiol 
E)  myrcene

Question 8

What reagent is needed to convert CH3(CH2)14CO2H to CH3(CH2)14CH2OH?

Accepted Answer

Question 9

Which of the following fatty acids has the highest melting point?

Accepted Answer

A)  lauric acid 
B)  myristic acid 
C)  palmitic acid 
D)  stearic acid 
E)  linoleic acid 
A)  lauric acid 
B)  myristic acid 
C)  palmitic acid 
D)  stearic acid 
E)  linoleic acid

Question 10

What group of lipids are esters of long-chain fatty acids and long-chain alcohols?

Accepted Answer

The answer of What group of lipids are esters of...

Question 11

Draw the two fatty acid structures that result from acid and base hydrolysis of a triacylglyceride and explain how they differ. (Use a core structure of 10 carbon atoms)

Accepted Answer

@#IMG-DLM& Acid hydrolysis will result in the prod

Question 12

Explain which structural features of phospholipids make them suitable components from which to form a lipid bilayer.

Accepted Answer

Phospholipids have a hydrophil

Question 13

Which best describes the lipid shown below?

Accepted Answer

A)  wax 
B)  triglyceride 
C)  saturated fatty acid 
D)  unsaturated fatty acid 
E)  lecithin 
A)  wax 
B)  triglyceride 
C)  saturated fatty acid 
D)  unsaturated fatty acid 
E)  lecithin

Question 14

Which of the following natural products can be correctly classified as a steroid?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 15

What IR stretch would most readily distinguish carnauba wax from paraffin wax?

Accepted Answer

Carnauba wax is a correct wax, an ester

Question 16

Why do most fatty acids contain an even number of carbons?

Accepted Answer

Most fatty acids contain an ev

Question 17

Using solely a fatty acid as your starting material, how would you synthesize a wax?

Accepted Answer

Reduce the fatty acid to the a

Question 18

The C:H ratio present in most terpenes is ________.

Accepted Answer

A)  1:2 
B)  3:8 
C)  2:6 
D)  5:8 
E)  4:5 
A)  1:2 
B)  3:8 
C)  2:6 
D)  5:8 
E)  4:5

Question 19

Circle the isoprene units present in menthol below.

Accepted Answer

The answer of Circle the isoprene units present in menthol...

Question 20

Which best describes the lipid shown below?

Accepted Answer

A)  wax 
B)  triglyceride 
C)  saturated fatty acid 
D)  unsaturated fatty acid 
E)  lecithin 
A)  wax 
B)  triglyceride 
C)  saturated fatty acid 
D)  unsaturated fatty acid 
E)  lecithin

Exam 25: Lipids

Which of the following oils would consume the greatest number of equivalents of hydrogen when subject to catalytic hydrogenation?

A terpene is believed to have one of the structures below. Based on the isoprene rule, which structure is more likely. Explain your reasoning. or

Draw a neat conformational structure of the compound below

Which of the following is an unsaturated fatty acid?

What reagent is needed to convert CH3(CH2)14CO2H to CH3(CH2)14COCl?

Most of the principal sex hormones in humans are:

The compound ________ is used in the treatment of asthma and rheumatoid arthritis.

What reagent is needed to convert CH3(CH2)14CO2H to CH3(CH2)14CH2OH?

Which of the following fatty acids has the highest melting point?

What group of lipids are esters of long-chain fatty acids and long-chain alcohols?

Draw the two fatty acid structures that result from acid and base hydrolysis of a triacylglyceride and explain how they differ. (Use a core structure of 10 carbon atoms)

Explain which structural features of phospholipids make them suitable components from which to form a lipid bilayer.

Which best describes the lipid shown below?

Which of the following natural products can be correctly classified as a steroid?

What IR stretch would most readily distinguish carnauba wax from paraffin wax?

Why do most fatty acids contain an even number of carbons?

Using solely a fatty acid as your starting material, how would you synthesize a wax?

The C:H ratio present in most terpenes is ________.

Circle the isoprene units present in menthol below.

Which best describes the lipid shown below?

Introduction and Review

Structure and Properties of Organic Molecules

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Stereochemistry

Alkyl Halides: Nucleophilic Substitution and Elimination

Structure and Synthesis of Alkenes

Reactions of Alkenes

Alkynes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Synthetic Polymers

Filters

What reagent is needed to convert CH₃(CH₂)₁₄CO₂H to CH₃(CH₂)₁₄COCl?

What reagent is needed to convert CH₃(CH₂)₁₄CO₂H to CH₃(CH₂)₁₄CH₂OH?