Answer
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Hint: The full form of IUPAC is the International Union of Pure and Applied Chemistry. It is a World Wide organisation for the nomenclature of the new elements in the periodic table and chemical molecules. The IUPAC has certain rules and regulations for the naming of the organic compound. In that method only we named the organic molecules in World level. The naming of any organic molecule depends on the parent saturated hydrocarbon.
Complete answer:
The given formula is
\[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\]
The number of carbon atom in the given formula \[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\] is three.
The parent name of the given formula prop and the nature of the given molecule is alkane. Hence, the parent name is propane.
The substituent group in the molecule is bromine. There is one bromo group attached in the terminal carbon atom.
The number of the molecule is important in the IUPAC name. The bromo group comes first priority in molecules. Hence the numbering from the right side is correct.
Hence, the IUPAC name of the given molecule \[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\]is Bromo propane.
So, this is the bromo derivative of propane compound. Propane is one of the alkane.
Therefore \[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\] is a bromo derivative of alkanes.
Hence, option A is correct.
Note:
We have to know that the functional group of the molecule is very important for the naming time. If one molecule having more than one functional group means some priority list is also provided from IUPAC. If the number of substituent and functional group is dependent on the minimum number will come from the left side or right of the terminal carbon atom in the chain. The aldehyde functional group in the molecule ends with al. it is one of the IUPAC rules for the naming of functional groups.
Complete answer:
The given formula is
\[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\]
The number of carbon atom in the given formula \[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\] is three.
The parent name of the given formula prop and the nature of the given molecule is alkane. Hence, the parent name is propane.
The substituent group in the molecule is bromine. There is one bromo group attached in the terminal carbon atom.
The number of the molecule is important in the IUPAC name. The bromo group comes first priority in molecules. Hence the numbering from the right side is correct.
Hence, the IUPAC name of the given molecule \[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\]is Bromo propane.
So, this is the bromo derivative of propane compound. Propane is one of the alkane.
Therefore \[{\text{C}}{{\text{H}}_{\text{3}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - C}}{{\text{H}}_{\text{2}}}{\text{ - Br}}\] is a bromo derivative of alkanes.
Hence, option A is correct.
Note:
We have to know that the functional group of the molecule is very important for the naming time. If one molecule having more than one functional group means some priority list is also provided from IUPAC. If the number of substituent and functional group is dependent on the minimum number will come from the left side or right of the terminal carbon atom in the chain. The aldehyde functional group in the molecule ends with al. it is one of the IUPAC rules for the naming of functional groups.
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