Question:
IUPAC name of $CH_3-CH(OH)-CH_2-CH(OH)-CH(C_2H_5)-CH_2CH_3$ is
IUPAC name of $CH_3-CH(OH)-CH_2-CH(OH)-CH(C_2H_5)-CH_2CH_3$ is
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Always prioritize functional group over longest chain.
Updated On: Apr 24, 2026
- 3-Ethylheptane-4,6-diol
- 3-Ethylheptan-4,6-diol
- 5,5-Diethylpentane-2,4-diol
- 5-Ethylpentane-2,4-diol
- 2-Ethylheptane-4,6-diol
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The Correct Option is D
Solution and Explanation
Concept:
• Choose longest chain containing -OH groups
Step 1: Identify parent chain
Pentane chain containing both -OH groups
Step 2: Numbering
OH at 2 and 4
Step 3: Substituent
Ethyl at C-5 Final Name:
5-Ethylpentane-2,4-diol Final Conclusion:
Option (D)
• Choose longest chain containing -OH groups
Step 1: Identify parent chain
Pentane chain containing both -OH groups
Step 2: Numbering
OH at 2 and 4
Step 3: Substituent
Ethyl at C-5 Final Name:
5-Ethylpentane-2,4-diol Final Conclusion:
Option (D)
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