Question:
What is the catalyst used for oxidation of $\ce{SO_2}$ to $\ce{SO_3}$ in lead chamber process for manufacture of sulphuric acid?
What is the catalyst used for oxidation of $\ce{SO_2}$ to $\ce{SO_3}$ in lead chamber process for manufacture of sulphuric acid?
Updated On: Jun 18, 2022
- Nitric oxide
- Nitrous oxide
- Potassium iodide
- Dilute HCl
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The Correct Option is A
Solution and Explanation
In lead chamber process, a mixture containing $SO _{2}$, air NO is treated with steam $\left( H _{2} O \right)$.
In this reaction, NO (nitric oxide) act as a catalyst.
$2 SO _{2}+\underset{\text { (From air) }}{ O _{2}}+2 H _{2} O +\underset{\text { Catalyst }}{[ NO ]} \to 2 H _{2} SO _{4}+\underset{\text { Catalyst }}{[ NO ]}$
In this reaction, NO (nitric oxide) act as a catalyst.
$2 SO _{2}+\underset{\text { (From air) }}{ O _{2}}+2 H _{2} O +\underset{\text { Catalyst }}{[ NO ]} \to 2 H _{2} SO _{4}+\underset{\text { Catalyst }}{[ NO ]}$
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Concepts Used:
P-Block Elements
- P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
- P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.
P block elements consist of:
- Group 13 Elements: Boron family
- Group 14 Elements: Carbon family
- Group 15 Elements: Nitrogen family
- Group 16 Elements: Oxygen family
- Group 17 Elements: Fluorine family
- Group 18 Elements: Neon family