Given below are two statements: Statement-I: IUPAC name of HO-CH2-(CH2)3-CH2-COCH3 is 7-hydroxyheptan-2-one.…
General Organic Chemistry (GOC) · Class 11 · JEE Main Previous Year Question
Given below are two statements:
Statement-I: IUPAC name of is 7-hydroxyheptan-2-one.
Statement-II: 2-oxoheptan-7-ol is the correct IUPAC name for above compound.
In the light of the above statements, choose the most appropriate answer from the options given below.
- a✓
Statement-I is correct but Statement-II is incorrect
- b
Both Statement-I and Statement-II are incorrect
- c
Both Statement-I and Statement-II are correct
- d
Statement-I is incorrect but Statement-II is correct
Statement-I is correct but Statement-II is incorrect
IUPAC Nomenclature Priority Rules:
When a compound has multiple functional groups, the principal functional group gets the lowest number.
Priority order (decreasing):
Correct name: 7-hydroxyheptan-2-one
Statement-I: 7-hydroxyheptan-2-one ✓ Correct
Statement-II: 2-oxoheptan-7-ol ✗ Incorrect
- This name treats alcohol as principal group, which is wrong
- "Oxo" is used for ketone as prefix, but ketone should be the suffix
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