CBSE · Class 11 · Chemistry · Organic Chemistry – Some Basic Principles and TechniquesThe IUPAC name of the compound $CH3-CH(CH3)-CH2-CH3$ is:
Step-by-Step Solution
The longest carbon chain contains 4 carbon atoms (butane). Numbering starts from the end nearer to the substituent (methyl group at carbon-2). Therefore, the IUPAC name is 2-methylbutane.
Detailed Options Breakdown
Option : 2-methylbutane (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: 3-methylbutane
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Organic Chemistry – Some Basic Principles and Techniques.
Option 2: Ethane
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Organic Chemistry – Some Basic Principles and Techniques.
Option 3: 2-methylpropane
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Organic Chemistry – Some Basic Principles and Techniques.
💡 Study Guide: This question tests core syllabus concepts from Organic Chemistry – Some Basic Principles and Techniques. For formulas, key summaries, and mock exam reference guides, read the full Organic Chemistry – Some Basic Principles and Techniques Revision Notes.