Concept explainers
(a)
Interpretation:
The structure of the compound should be drawn for 2,2-Dimethyl-3-hexene.
Concept introduction:
Any organic molecule can be named by using certain rules given by IUPAC (International Union for Pure and applied chemistry). IUPAC name consists of three parts, namely Prefix, suffix and root word.
Prefix- Represents the substituent present in the molecule and its position in the root name.
Suffix- Denotes the presence of
Root word - Represents the longest continuous carbon skeleton of the organic molecule.
(b)
Interpretation:
The structure of the compound should be drawn for 4-Isopropyl-2-heptyne.
Concept introduction:
Any organic molecule can be named by using certain rules given by IUPAC (International Union for Pure and applied chemistry). IUPAC name consists of three parts, namely Prefix, suffix and root word.
Prefix- Represents the substituent present in the molecule and its position in the root name.
Suffix- Denotes the presence of functional group if any in the molecule. It can be an alkene, alkyne, alcohol, carboxylic acid, alcohol etc. To add suffix to name a compound, the suffix “-ane” in the parent alkane is replaced by the respective suffix, which corresponds to the functional group present in the given compound. For carboxylic acid, suffix “-oic” will be added, for alcohol, suffix “-ol” will be added and so on
Root word - Represents the longest continuous carbon skeleton of the organic molecule.
Alkynes are one of the important types of hydrocarbon which have at least one carbon-carbon triple bond (
(c)
Interpretation:
The structure of the compound should be drawn for trans-3-heptene.
Concept introduction:
Any organic molecule can be named by using certain rules given by IUPAC (International Union for Pure and applied chemistry). IUPAC name consists of three parts, namely Prefix, suffix and root word.
Prefix- Represents the substituent present in the molecule and its position in the root name.
Suffix- Denotes the presence of functional group if any in the molecule. It can be an alkene, alkyne, alcohol, carboxylic acid, alcohol etc. To add suffix to name a compound, the suffix “-ane” in the parent alkane is replaced by the respective suffix, which corresponds to the functional group present in the given compound. For carboxylic acid, suffix “-oic” will be added, for alcohol, suffix “-ol” will be added and so on
Root word - Represents the longest continuous carbon skeleton of the organic molecule.
Alkenes are one of the important types of hydrocarbon which have at least one carbon-carbon double bond (
Cis–trans isomerism (or) geometric isomerism or configurational isomerism:
The functional groups are in the same side of the carbon chain is called cis isomer. The functional groups are in opposite to each other in the carbon chain is called trans isomer. Two similar functional groups are in same side which is called as Z-isomer. Two similar functional groups are opposite side which is called as E-isomer.
(d)
Interpretation:
The structure of the compound should be drawn for cis-2-methyl-3-hexene.
Concept introduction:
Any organic molecule can be named by using certain rules given by IUPAC (International Union for Pure and applied chemistry). IUPAC name consists of three parts, namely Prefix, suffix and root word.
Prefix- Represents the substituent present in the molecule and its position in the root name.
Suffix- Denotes the presence of functional group if any in the molecule. It can be an alkene, alkyne, alcohol, carboxylic acid, alcohol etc. To add suffix to name a compound, the suffix “-ane” in the parent alkane is replaced by the respective suffix, which corresponds to the functional group present in the given compound. For carboxylic acid, suffix “-oic” will be added, for alcohol, suffix “-ol” will be added and so on
Root word - Represents the longest continuous carbon skeleton of the organic molecule.
Cis–trans isomerism (or) geometric isomerism or configurational isomerism:
The functional groups are in the same side of the carbon chain is called cis isomer. The functional groups are in opposite to each other in the carbon chain is called trans isomer. Two similar functional groups are in same side which is called as Z-isomer. Two similar functional groups are opposite side which is called as E-isomer.
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General Chemistry: Atoms First
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- Draw a structure for each compound (includes old and new names).(a) 3-methylpent-1-ene (b) cis-3-methyl-3-hexene (c) 3,4-dibromobut-1-enearrow_forwardWrite the chemical formula, condensed formula, and Lewis structure for each of the following hydrocarbons:(a) heptane(b) 3-methylhexane(c) trans-3-heptene(d) 4-methyl-1-hexene(e) 2-heptyne(f) 3,4-dimethyl-1-pentynearrow_forwardDraw structures for the following molecules. (a) 2-iodo-2,3-dimethylheptane (b) 4-cyclopropyl-3-ethyl-2-methyloctane (c) 1-ethyl-2,4-dimethylcyclopentanearrow_forward
- (b) Draw structures corresponding to the following IUPAC names. (a) 3,4-Dimethylnonane (c) 2,2-Dimethyl-4-propyloctane (d) 2,2,4-Trimethylpentane (b) 3-Ethyl-4,4-dimethylheptanearrow_forwardWhich of the following cycloalkanes are capable of geometric (cis-trans) isomerism?Draw the cis and trans isomers.(a) 3-ethyl-1,1-dimethylcyclohexane (b) 1-ethyl-3-methylcycloheptane(c) 1-ethyl-3-methylcyclopentane (d) 1-cyclopropyl-2-methylcyclohexanearrow_forwardDraw the structures of the following compounds a) (R)–2–methyl-1-chloro-butane b) (S)-3-methyl–3-hexanolarrow_forward
- Draw the structure of (a) 4-isopropylheptane (b) 1,1-dichlorocyclopentane (c) cis-3-octenearrow_forwardDraw the expanded formula of the following compounds: (a) 3,3-Diethyl-2,5-dimethylnonane (b) 3-Cyclobutylhexane (c) 1,3-Dibromo-5-methylcyclohexanearrow_forwardThe following names are all incorrect. Draw the structure represented by the incorrectname (or a consistent structure if the name is ambiguous), and give your drawing thecorrect name.(a) cis-dimethylpent-2-ene (b) 3-vinylhex-4-ene(c) 2-methylcyclopentenearrow_forward
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