Chemistry-IUPAC Nomenclature
NEET Chemistry IUPAC Nomenclature Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): In IUPAC nomenclature, when naming branched chain alkanes, the longest continuous chain of carbon atoms is selected as the parent chain. | Reason (R): The position of substituents is indicated by numbering the carbon chain starting from the end nearest to the first substituent.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The assertion correctly identifies the rule for selecting the parent chain in branched alkanes, and the reason correctly explains the method of numbering the chain for substituent location, as described in the NCERT context.
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