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JAMB Chemistry 1999 Question 48

Question 48

Alkanals and Alkanones

An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be an

  1. A.alkene
  2. B.alkanal
  3. C.alkanone
  4. D.alkanoic acid.
Show the answer and explanation

Answer: A (alkene)

Explanation

Hydrogen cyanide and hydroxylamine add to the C=O group of aldehydes (alkanals) and ketones (alkanones). An alkene has no carbonyl group, so it does not react with them.