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Number of sp3 hybridised carbon atoms in a given alcohol

The same question, asked 2 times: 14 May 2024 S2*, 19 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    14 May 2024 S2

    70
    What is the number of sp3^3 hybrid carbon atoms in HO(CH2)3CH(CH3)CH(CH3)2\text{HO(CH}_2)_3\text{CH(CH}_3)\text{CH(CH}_3)_2?

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  2. Question 2

    19 Apr 2026 S1

    6
    What is the number of sp3sp^3 hybrid carbon atoms in HO(CH2)2CH(CH3)2\mathrm{HO(CH_2)_2CH(CH_3)_2}?

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