Concept explainers
a)
Interpretation:
The structure for trans-2-pentene has to be drawn.
Concept introduction:
- The longest continuous chain of carbon atoms is identified.
- The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
- While numbering the longest chain, the substituent should get least possible number.
- Write the name of the compound; the parent name written as last part of the name. The name of the substituents is written as prefix and a hypen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.
Geometric isomers of
Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.
Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.
b)
Interpretation:
The structure for 2-ethyl-1-butene has to be drawn.
Concept introduction:
IUPAC Nomenclature:
- The longest continuous chain of carbon atoms is identified.
- The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
- While numbering the longest chain, the substituent should get least possible number.
- Write the name of the compound; the parent name written as last part of the name. The name of the substituents is written as prefix and a hyphen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.
c)
Interpretation:
The structure for 4-ethyl-trans-2-heptene has to be drawn.
Concept introduction:
IUPAC Nomenclature:
- The longest continuous chain of carbon atoms is identified.
- The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
- While numbering the longest chain, the substituent should get least possible number.
- Write the name of the compound; the parent name written as last part of the name. The name of the substituents is written as prefix and a hyphen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.
Geometric isomers of Alkenes:
Cis-isomer: When two particular atoms (group of atoms) are adjacent to each other, the alkene is known as cis-isomer.
Trans-isomer: When two particular atoms (group of atoms) are across from each other, the alkene is known as cis-isomer.
d)
Interpretation:
The structure for 3-phenyl-butyne has to be drawn.
Concept introduction:
IUPAC Nomenclature:
- The longest continuous chain of carbon atoms is identified.
- The substituent groups attached to the parent chain is identified. A substituent group contains group of atoms attached to the carbon atom of the chain.
- While numbering the longest chain, the substituent should get least possible number.
- Write the name of the compound; the parent name written as last part of the name by replacing ‘ane’ to ‘ene’. The name of the substituents is written as prefix and a hyphen separates the number that the substituents attached with carbon. More than one substituent should be written in alphabetical order.
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Chemistry
- A certain hydrocarbon has a molecular formula of C5H8. Which of the following is not a structural possibility for this hydrocarbon? (a) It is a cycloalkane. (b) It contains one ring and one double bond. (c) It contains two double bonds and no rings. (d) It is an alkyne.arrow_forwardWrite the structural formula of 2-ethyl-1-butenearrow_forwardGiven each of the IUPAC names provided, draw the corresponding structure. (a) 2,2,4-trimethylpentane;(b) 3-ethyl-2,3-dimethylpentane; (c) 2,2,3,3-tetramethylhexanearrow_forward
- Give the structural formulae and name the functional groups of the following compounds. (a) 3-chlorobut-1-ene Name the functional group: (b) butanedioic acid Name the functional group: (c) propanamide Name the functional group: (d) 3-methylbutanal Name the functional group:arrow_forward(a) What structural feature is associated with each type of hydrocarbon: alkane, cycloalkane, alkene, and alkyne?(b) Give the general formula for each type.(c) Which hydrocarbons are considered saturated?arrow_forward(B) Draw a structural diagram for each of the following organic compounds: (a) 2-ethyl-4-methyl-2-pentanol (b) 1,2-ethandiol (c) 1,3-dimethylbenzenearrow_forward
- Draw line structures for the following alkenes. Which can exist as cis–trans isomers? For those that can, draw both isomers.(a) 2-Methyloct-2-ene (b) Hept-3-ene(c) 3,4-Dimethylhex-3-enearrow_forwarddraw the skeletal (line-bond) structure of (S)-3-chloro-3-ethyl-2-methylhexane.arrow_forward(1) Write a complete chemical equation showing reactants, products, and catalysts needed (if any) for the following reaction and (2) Draw and name the organic compound found in every reaction. (a) Complete hydrogenation of 2-Methylhexa-1,5-diene (b) Complete halogenation (Br2) of 3-Ethyl-2,2-dimethylhept-3-ene (c) Reaction of (4E)-2.4-Dimethylhexa-1,4-diene with a mole of water (d) Reaction of cis-3,3-Dimethyl-4-propylocta-1,5-diene with two mole of HBr (e) Reaction of trans-1-Bromo-3-chlorocyclopentane with potassium hydroxide (f) Formation of Gilman reagent using isopropyl bromide (g) Ozonolysis of 3,3-Dimethyloct-4-yne (h) Complete halogenation (Cl2) of 3-Ethyl-5-methyl-1,6,8-decatriyne (i) Partial hydrogenation using Lindlar's Catalyst 2,2,5,5-Tetramethylhex-3-yne (i) Reaction of 3.4-Dimethylcyclodecyne with sodium amidearrow_forward
- Draw the constitutional (structural) isomers of C5H12 and then draw the structure of trans-2-butene, and then sketch the product that would result if this compound reacted with bromine, Br2.arrow_forward5.Write the structural formula of the ester that, when hydrolyzed, would yield the following:(a) methanol and propanoic acid(b) 1-octanol and acetic acid (c) ethanol and butanoic acidarrow_forwardDraw the product resulting from mild oxidation of (a) 2-butanol; (b) 2-methylpropanal; (c) cyclopentanol.arrow_forward
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning