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MHT CET · Chemistry · Aldehydes and Ketones

Which of the following is used to convert olefins into aldehyde?

  1. A \(\mathrm{H}_{2}\) and \(\mathrm{CO}\)
  2. B \(\mathrm{H}_{2}\)
  3. C CO and alkyne
  4. D \(\mathrm{CO}\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(\mathrm{H}_{2}\) and \(\mathrm{CO}\)

Step-by-step Solution

Detailed explanation

Aldehydes are prepared from alkene in oxo process. In presence of cobalt tetracarbonyl, alkynes react with \(\mathrm{CO}\) and hydrogen to form aldehydes.


Aldehydes are also prepared by hydroboration oxidation of alkynes.


The hydration of propyne gives acetone.