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Number of carbon atoms of a given hybridisation (sp3, sp2) in a compound, or hybridisation of a named carbon

This type of question, asked 6 times: 9 May 2024 S2, 14 May 2024 S2, 13 Apr 2026 S1, 13 Apr 2026 S2, 19 Apr 2026 S1, 14 May 2026 S2. All 6 questions below, oldest first.

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  1. Question 1

    9 May 2024 S2

    69
    What is the number of moles of sp² hybrid carbon atoms present in nn moles of isopentane?

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  2. Question 2

    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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  3. Question 3

    13 Apr 2026 S1

    5
    Identify the type of hybridization of carbon that is attached to the OH group, in benzylic alcohol?

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  4. Question 4

    13 Apr 2026 S2

    3
    In the compound 1CH2=2CH−3CH2−4CH2−5C≡6CH{}^{1}\mathrm{CH_2} = {}^{2}\mathrm{CH} - {}^{3}\mathrm{CH_2} - {}^{4}\mathrm{CH_2} - {}^{5}\mathrm{C} \equiv {}^{6}\mathrm{CH}, The C2−C3C_2 - C_3 bond is of type

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  5. Question 5

    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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  6. Question 6

    14 May 2026 S2

    3
    Find the number of sp2sp^2 hybridized carbon atoms in cycloheptatriene?

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