Question:
Which of the following is a tertiary allylic alcohol?
Which of the following is a tertiary allylic alcohol?
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Allylic: OH next to C=C, Tertiary: 3 carbon attachments.
Updated On: May 4, 2026
- \(\text{CH}_2 = \text{CH} - \text{C(CH}_3)_2 - \text{OH}\)
- \(\text{CH}_2 = \text{CH} - \text{CH(OH)} - \text{CH}_3\)
- \(\text{CH}_2 = \text{CH} - \text{CH}_2 - \text{C(CH}_3)_2 - \text{OH}\)
- \(\text{CH}_3 - \text{CH} = \text{C(CH}_3) - \text{OH}\)
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The Correct Option is A
Solution and Explanation
Concept:
• Allylic alcohol → OH on carbon adjacent to C=C
• Tertiary → OH carbon attached to 3 carbon groups
Step 1: Check option (A)
• OH on carbon next to double bond → allylic \checkmark
• Carbon attached to 3 alkyl groups → tertiary \checkmark
Step 2: Other options
• (B) Secondary alcohol
• (C) Not allylic
• (D) Not tertiary allylic Conclusion: \[ \text{Correct answer = (A)} \]
• Allylic alcohol → OH on carbon adjacent to C=C
• Tertiary → OH carbon attached to 3 carbon groups
Step 1: Check option (A)
• OH on carbon next to double bond → allylic \checkmark
• Carbon attached to 3 alkyl groups → tertiary \checkmark
Step 2: Other options
• (B) Secondary alcohol
• (C) Not allylic
• (D) Not tertiary allylic Conclusion: \[ \text{Correct answer = (A)} \]
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