Question

convert propanone to propene

Answer 1

I think it would be the answer

Answer 2

Explanation :

Step 1 : Reduction with metal hydride.

When propanone react with the metal hydride like lithium aluminumhydride $(LiAlH_4)$, it reduces the ketone into secondary alcohol and the product form is propan-2-ol.

Step 2 : Dehydration of secondary alcohol.

When propan-2-ol on heating with concentrated sulfuric acid result in elimination of water molecule to form propene as a product.

The reactions are shown below.