Question

What's happens when hydrogen is added to a vegetable and write one different between the physical property of the vegetable oil and the product obtained in this reaction .write the role of nickel in this reaction

Answer 1

vegetable oil is an unsaturated hydrocarbon when hydrogen is added it get converted into saturated hydrocarbons
and this reaction is known as hydrogenations
saturated hydrocarbon burns with a clean flame but unsaturated hydrocarbon burns with a sooty flame

Nickel is an catalyst in it only change the rate of the reaction

Answer 2

Hey mate ,

here is ur answer