16 public questions tagged with this topic.
The compound has a 4-carbon chain with -OH groups on carbons 2 and 3, named butane-2,3-diol in IUPAC nomenclature.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Classification and Nomenclature and Structures of Alcohols Phenols Ethers
The compound has a 5-carbon chain with -OH groups on carbons 2 and 4, named pentane-2,4-diol in IUPAC nomenclature.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Classification and Nomenclature and Structures of Alcohols Phenols Ethers
The compound has a five-carbon chain (pentane) with chlorine on the fourth carbon. The name is 4-chloropentane.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Polyhalogen Compounds - Chloroform Iodoform DDT Freons
The compound has a four-carbon chain with chlorine on the first carbon. The parent chain is butane, so the name is 1-chlorobutane.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Polyhalogen Compounds - Chloroform Iodoform DDT Freons
2-Bromo-3-methylbutane is a four-carbon chain (butane) with Br on C₂ and a methyl group on C₃: CH₃CHBrCH(CH₃)CH₃ .
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Physical Properties - Boiling Point Dipole Moment Solubility
The compound has a four-carbon chain with a chlorine atom on the second carbon. The parent chain is butane, and the chlorine is a substituent, so the name is 2-chlorobutane.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Physical Properties - Boiling Point Dipole Moment Solubility
The longest chain is four carbons (butane), with a methyl group on the second carbon and chlorine on the fourth. The name is 1-chloro-2-methylbutane.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Classification and Nomenclature and Isomerism of Haloalkanes
Taxonomy includes characterisation, identification, classification and nomenclature of organisms.
Ref: NCERT Class 11 Biology Chapter 1: The Living World Systematics and Taxonomy Concepts
When a biological name is handwritten, the generic name and specific epithet are underlined separately. The generic name begins with a capital letter, while the specific epithet begins with a small letter.
Ref: NCERT Class 11 Biology Chapter 1: The Living World Taxonomical Aids - Zoological Parks and Keys
Nomenclature is possible only when the organism has been correctly described and the organism to which the name is attached is known. This process is identification.
Ref: NCERT Class 11 Biology Chapter 1: The Living World Taxonomical Aids - Herbarium and Botanical Gardens
The generic name is written first and begins with a capital letter. The specific epithet follows it and begins with a small letter. Both words are italicised when printed.
Ref: NCERT Class 11 Biology Chapter 1: The Living World Taxonomical Aids - Herbarium and Botanical Gardens
Systematics includes identification, nomenclature and classification. It also takes evolutionary relationships among organisms into account.
Ref: NCERT Class 11 Biology Chapter 1: The Living World Nomenclature and Identification
