Chemistry Concepts Mastery Quiz

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Questions and Answers

Q2. Which ionic compound shows both frenkel and schottky defects?

AgBr shows both frenkel and schottky defects.

Q1. What are the five types of chemistry?

Inorganic chemistry, organic chemistry, physical chemistry, analytical chemistry, and biochemistry.

Q3. What is produced when we pass chlorine into slaked lime?

Bleaching Powder is produced when we pass chlorine into slaked lime.

Q4. What is the study of chemistry?

Chemistry is the study of the properties and behavior of matter, covering the composition, structure, properties, and transformations of substances. Signup and view all the answers

Q5. How many types of defects does AgBr show?

AgBr shows both frenkel and schottky defects. Signup and view all the answers

What is the Gattermann reaction?

The Gattermann reaction is a chemical reaction in which aromatic compounds are formylated by a mixture of hydrogen cyanide (HCN) and hydrogen chloride (HCl) in the presence of a Lewis acid catalyst such as aluminium chloride (AlCl3). Signup and view all the answers

Who is the chemist after whom the Gattermann reaction is named?

The Gattermann reaction is named after the German chemist Ludwig Gattermann. Signup and view all the answers

What is the Gattermann–Koch reaction?

The Gattermann–Koch reaction is a variant of the Gattermann reaction in which carbon monoxide (CO) is used instead of hydrogen cyanide. Signup and view all the answers

What is used in place of hydrogen cyanide in the Gattermann reaction to simplify the process?

Sodium cyanide or cyanogen bromide can be used in place of hydrogen cyanide in the Gattermann reaction. Signup and view all the answers

Why is Zn(CN)2 considered safer to work with than gaseous HCN in the Gattermann reaction?

Zn(CN)2 is a solid, making it safer to work with than gaseous HCN, and it reacts with the HCl to form the key HCN reactant and Zn(Cl)2 that serves as the Lewis-acid catalyst in-situ. Signup and view all the answers

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