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A secondary alkanol can be oxidized to give…

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A secondary alkanol can be oxidized to give an

  • A. Alkanone
  • B. Alkyne
  • C. Alkanoic acid
  • D. Alkanal

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A

SOLUTION 

Primary alkanols are often oxidized to alkanals (or aldehydes), while

Secondary alkanols are often oxidized to alkanones (or ketones)

Tertiary alkanols cannot be directly oxidized.

Now for the right answer to the above question:

  1. Option A is correct. Oxidation of secondary alkanols produces alkanones.
  2. Option B is incorrect. alkynes not a product of oxidation of any alkanol.
  3. C is incorrect. excess oxidation of secondary alkanols can produce alkanoic acid, but the question did not specify if the oxidation is in excess.
  4. D is not the correct answer. Alkanal is a product of oxidation of primary alkanols and not secondary alkanols.
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You may please note these/this:

  • Tertiary alkanols cannot be directly oxidized because there is no free hydrogen bond attached to the central carbon atom.

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/ culled from 2019 JAMB-UTME Chemistry question 1 /

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