Organic Chemistry
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Determine the name for the given alkane. (Use the IUPAC nomenclature system.)
Draw the appropriate structure for each of these compounds. (i): 3,4-dimethylhexane, (ii): 3,3-dimethyl-5-isobutylnonane, (iii): 4-tert-butyl-3-methylheptane and (iv): 5-isopropyl-3-methyloctane.
Which of the following isomers has a tert-butyl group?
What is the systematic name of each compound?
Given the incorrect name below, rename it using IUPAC nomenclature. [Use the incorrect name given, draw the structure first, and then assign it a proper name.]
3,4-diethyl-5-methylcyclohexane
What is the name of the given alkane? (Use the IUPAC nomenclature system.)
What are the major products in the metathesis reaction of the alkene shown below?
Predict the product in the Heck reaction given below.
Write the structural formula and determine the molecular formula for (i): 1-ethyl-3-methylcyclohexane and (ii): isobutylcyclopentane.
What unsaturated polymer is formed from the ring-opening metathesis of the compound given below?
Identify the resulting product obtained from the given reaction.
Describe the synthesis of cis-3-heptene if 3-heptyne is chosen as the starting material.
Without looking at the structures, use the names of the groups to find the number of carbon atoms; then use the (2n+2) rule to determine the molecular formula for each of the following compounds. 3-(1,1-dimethylethyl)hexane and 4-(1,2,2-trimethylpropyl)nonane.
Which diene goes through ring-closing metathesis to form the compound shown below?
What are the major products in the metathesis reaction of the alkene given below?
Outline the synthesis of butane if 2-butyne is chosen as the starting material.
What is the systematic name of the given molecule?
Provide the mechanism for the following reaction step:
Give the correct name of the following by using IUPAC nomenclature. (Hint: Using the incorrect name given, draw the structure first, and then assign it a proper name.]
3-methyl-5-ethylheptane
Determine the alkane's systematic (IUPAC) name.
Draw the structure of 3-(1,1-dimethylethyl)octane.
Each of these descriptions correspond to several alkanes. Write and name two different structures that fit the description in each case. (i): an isopropylnonane; (ii): a diethylheptane.
Draw the products formed in the metathesis of the alkyne given below.
What is the appropriate alkene starting material to synthesize ethylcyclopropane?
Draw the appropriate structures and provide the IUPAC names for five isomers of C7H16.
Draw the appropriate structure for each name.
(i): 2,3,4,5-tetramethylhexane
(ii): trans-1,3-dimethylcyclohexane
A student was asked to give the systematic names for the four different compounds. The names are listed below. Determine which is incorrectly named and replace it with the correct name.
Give the correction of the following erroneous name by using IUPAC nomenclature. (Hint: Use the incorrect name given, draw the structure first, and then assign it a proper name.)
5-propylheptane
Revise the given incorrect name by using IUPAC nomenclature. (Hint: Use the incorrect name given, draw the structure first, and then assign it a proper name.)
1,4-diethylcyclopentane
What are the major products obtained in the ring-closing metathesis of the compound given below?
(i) How many alkenes can react with H2 and Pd/C catalyst to produce methylcyclohexane?(ii) Identify the most stable alkene in part (i).(iii) Identify alkene with the smallest heat of hydrogenation.
What starting material undergoes the ring-closing metathesis to produce the following compound?
Which of the following isomers has a sec-butyl group?
Draw a structure and provide a systematic name that corresponds to a compound that has 2 tertiary hydrogens with the following molecular formula.
C7H16
Draw the structure of 2,5-dimethyl-4-(1-methylethyl)heptane.
Draw the structure of 2,6-dimethyl-4-(2-methylpropyl)octane.
Illustrate the structure of the given compound.
5-(tert-butyl)-3,4-diethyloctane
Determine the compound's IUPAC name.
What is the structure of the given compound?
3-(1,1-dimethylethyl)hexane
Four students were shown a structure and asked to give it a systematic name. They gave it four different names. Identify the correct name.
Give the systematic names for all alkanes that do not have any secondary hydrogen with the molecular formula given below.C6H14
Draw the appropriate structure for each name. (i): cyclopropylcyclohexane and (ii): cis-1-bromo-3-methylcyclohexane.
Provide the condensed and skeletal structure for 5-(1-methylpropyl)-8-ethyl-3-methyldecane.
Determine the structure of the given compound.
3,3-diethylhexane
For each of these incorrect or incomplete names write the corresponding structure and name the structure appropriately. (i): 4-ethyl-5-methylhexane; (ii): 2-ethyl-3-methylhexane; (iii): 3-dimethylpentane
Select structures that correspond to the same compound. Also identify structures that correspond to different compounds.
What is the molecule's IUPAC name?
Name the following alkane. List the name of the substituents alphabetically when you name the compound.
For each of the following incorrect or incomplete names, write the corresponding structure and name the structure appropriately. (i): 2-ethylhexane; (ii): 3-isopropylheptane
Identify each hydrogen as primary (1°), secondary (2°), or tertiary (3°) in the given structures.
a. Isopentane
b. Pentane
Provide the structure for 3,4-diethyl-5-methylnonane.
Determine the reagents that would be required to synthesize (Z)-3-heptene from 3-heptyne.
a. H2 and Pd/C
b. Sodium in liquid ammonia
c. H2 and Lindlar's catalyst
d. Sulfuric acid
Determine the reagents that would be required to synthesize (E)-3-heptene from 3-heptyne.
Give the appropriate IUPAC name for each of these compounds. (i): (CH3)2CHCH2CH2CH3; (ii): CH3CH2—C(CH3)2—CH3, (iii): CH3CH2CH2CH2CH(CH2CH3)—CH(CH3)2.
For the compound below, provide its systematic name.
For each of the compounds below, provide the systematic name.
i.
ii.
What are the structures of isoheptane and heptane?
Consider the substituents on the nine carbon chain shown below,
(I) (ii)
Provide the common name and IUPAC name of the substituents.
How many of the following structural isomers of hexane may have common names?
Draw all the plausible isomers of an alkyne with a molecular formula C4H6 and encircle the acetylenic hydrogen if an isomer is a terminal alkyne.
Draw all the possible alkyne isomers with a molecular formula of C7H12, give the systemic name of each isomer, and highlight the acetylic hydrogen if the isomer is a terminal alkyne.
Draw the isomers of an alkane with the molecular formula of C5H12, and give the IUPAC names of the isomers.
Predict the molecular formula of a straight-chain alkane having 22 carbons.