17 Questions
What is the main role of catalysts in chemical transformations?
Remain unchanged at the end of the process
Why are catalysts considered indispensable in the chemical industry?
To obtain approximately 85-90% of chemical products
What characteristic distinguishes catalytic reactions from non-catalytic reactions?
They involve a substance that accelerates the reaction
How do catalysts help in chemical reactions?
By providing a reaction path with lower activation energy
What difficulty do catalysts help overcome in industrial processes?
Maintaining high temperature and pressure in reactors
Which process involves the use of Zeolites as a catalyst?
Catalytic cracking of crude oil
Which catalyst is commonly used in the ammonia synthesis process?
Pt-Rh
In which reaction does Ethylene react with Chlorine to form Vinyl Chloride?
Viny Chloride (ethylene + Cl2)
Which catalyst is typically used in the reforming of naphtha to gasoline?
Pt, Pt-Re, Pt-Ir
What type of catalysis is associated with lower reproducibility difficulty and more precise control over reaction conditions?
Homogeneous catalysis
Which catalyst is used in the water-gas shift reaction to convert CO to H2?
Ni
In heterogeneous catalysis, the catalyst and the reaction mixture belong to:
Different phases
Which type of catalysis involves the use of enzymes?
Enzymatic/biocatalysis
Which of the following is NOT a product of the carbonylation reaction involving methanol and CO?
Methyl acetylene
Which metal is commonly used as a catalyst in the production of adiponitrile?
Nickel (Ni)
In the chemical/petrochemical industry, which reactant is involved in the polymerization process?
Propylene
What is a common feature of heterogeneous catalysts?
They can be easily separated from the reaction mixture
Learn about the significance of catalysts in chemical transformations and industrial processes. Understand the role of catalysts in accelerating reactions without being consumed in the process.
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