Assertion :Prefix is written in front of root word. Reason: A primary prefix is like cyclo- for ring compounds and secondary prefixes are substituents or side chains like alkyl groups e.g. methyl, ethyl.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
According to IUPAC nomenclature system, the systematic name of the organic compound has three parts :
Root word: indicates the nature of basic skeleton.
Suffix: indicates the type of functional group present.
Prefix: indicates the nature of substituent present.

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(c) Assertion is correct, but reason is incorrect
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