Question

What is a catalyst ? Write the catalyst used in the hydrogenation of ethene.

Answer 1

Answer:

The reaction is also known as the hydrogenation of alkene. The reaction occurs in the presence of a finely divided metal catalyst such as nickel (Ni), palladium (Pd), platinum (Pt) or rhodium (Rh) at a temperature of about 150°C.

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Answer 2

Answer:

Catalysis is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst, which is not consumed in the catalyzed reaction and can continue to act repeatedly. Because of this, only very small amounts of catalyst are required to alter the reaction rate in most cases.

The reaction is also known as the hydrogenation of alkene. The reaction occurs in the presence of a finely divided metal catalyst such as nickel (Ni), palladium (Pd), platinum (Pt) or rhodium (Rh) at a temperature of about 150°C.