Which of the following catalyst is used in the industrial preparation of methanol?
Correct answer: D. Zinc oxide and Chromium oxide
- A. Zinc oxide and alumina
- B. Alumina and silica
- C. Silica and Chromium oxide
- D. Zinc oxide and Chromium oxide
Explanation
The industrial preparation of methanol usually involves a catalyst composed of zinc oxide and chromium oxide. This catalyst is known as a copper-zinc-chromium catalyst, and it is commonly used in the synthesis of methanol from a mixture of carbon monoxide and hydrogen gases in a process known as the "methanol synthesis gas." This catalytic process is known as the "low-pressure methanol synthesis" and is widely used in industry.
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About Reactions of Group IV Elements
Group IV, or Group 14, chemistry covers the trends from carbon and silicon to tin and lead, including their reactions with oxygen, halogens, water, acids and alkalis. It also examines the structures and properties of their oxides and chlorides, oxidation states, and the inert pair effect, rather than treating all members as equally metallic.
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