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8 January, 00:01

Which of the following functional groups comprises a carbon atom bonded to a hydroxyl group?

A. ester

B. alcohol

C. thiol

D. carbonyl

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Answers (2)
  1. 8 January, 01:11
    0
    The correct option is: B. alcohol

    Explanation:

    A. ester (R-COOR') : In this functional group, the carbon atom forms a single bond with an alkoxy group and a double-bond with an oxygen atom.

    B. alcohol (R-COH) : In this functional group, the carbon atom is bonded to a hydroxyl group.

    C. thiol (R-SH) : In this functional group, the carbon atom is bonded to a thiol group.

    D. carbonyl (R-COR') : In this functional group, the carbon atom forms a double-bond with an oxygen atom.

    Therefore, alcohols are the class of organic molecules in which a carbon atom is bonded to a hydroxyl functional group.
  2. 8 January, 01:34
    0
    B. alcohol

    Hydroxyl group is an - OH branch

    so,

    R - OH is alcohol
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