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The IUPAC names for the compounds CH3COOH and CH2 = CH2 are…

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CHEMISTRY

The IUPAC names for the compounds CH3COOH and CH2 = CH2 are respectively

A. acetic acid and ethane

B. ethanoic- acid and ethene

C. methanoic acid and ethylene

D. ethanol and ethene.

QUICK ANSWER…

B

DETAILS…  

CH3COOH = Ethanoic acid or Acetic acid.

CH2 = CH2 = Ethene or ethylene.

Now for the right answer to the above question:

  1. Option A is incorrect. acetic acid is the old name for ethanoic acid, besides CH2=CH2 is not ethane.
  2. Option B is correct. ethanoic acid and ethene are respectively the correct IUPAC designation.
  3. C is incorrect. CH3COOH is not methanoic but ethanoic acid, all the carbons should be counted.
  4. D is not the correct answer. CH3COOH is not ethanol.
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KEY-POINTS…

You may please note these/this:

  • Although acetic acid is another name for ethanoic acid, it is not actually an IUPAC designation.
  • Although ethylene is another name for ethene, it is also not actually an IUPAC designation.

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/ culled from 2016 JAMB-UTME Chemistry past question 32 /

1 Answers

  1. 0 Votes Thumb up 0 Votes Thumb down 0 Votes

    Ethanoic acid and Ethane I think.

    Stephen Ngajaekwu - Apr 27, 2021 | Reply


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