Question

Convert the following: a) but-2 ene into ethanal b) cyclohexanal into cyclohexanone

Answer 1

but -2- ene + O3 ------> 2 CH3 -CHO that process is ozonolysis

Answer 2

Conversion of the given compounds

a)But-2-ene to Ethanal

• The give reactant is an alkene and the required product is an aldehyde.
• When but-2-ene is ozonolysis with $O_3$ in the presence of $CH_2Cl_2$, at 196 K conversion takes place.
• This conversion yields ethanal from But-2-ene. The chemical equation involved in the conversion is given in the attachment.

b) Cyclohexanol to Cyclohexanone

• The given reactant is alcohol whereas the required product is ketone.
• When cyclohexanol is treated with $K_2Cr_2O_7$ as a catalyst in the presence of sulfuric acid, conversion takes place.
• The conversion leads to the removal of a hydrogen atom attached with oxygen in the alcohol group.
• The left out oxygen forms double bond with the benzene ring and forms cyclohexanone.
• The chemical equation involved in the reaction is given in the attachment.

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