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What is the process called when a metal carbonate decomposes upon heating?
- a)Thermal decomposition
- b)Photochemical decomposition
- c)Electrolytic decomposition
- d)Catalytic decomposition
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
What is the process called when a metal carbonate decomposes upon heat...
Understanding Thermal Decomposition
Thermal decomposition is a chemical process where a compound breaks down into simpler substances when heated. In the context of metal carbonates, this reaction is significant in various chemical and industrial applications.
Process of Decomposition
- When metal carbonates, such as calcium carbonate (CaCO3), are heated, they undergo decomposition.
- The thermal energy causes the chemical bonds in the carbonate to break, resulting in the formation of metal oxides and carbon dioxide gas.
- For example, the decomposition of calcium carbonate can be represented as:
- CaCO3 (s) → CaO (s) + CO2 (g)
Characteristics of Thermal Decomposition
- Heat Requirement: Thermal decomposition requires heat to initiate the breakdown of the compound.
- Endothermic Reaction: This process absorbs heat, making it endothermic, which means it requires energy input to proceed.
- Reversibility: In some cases, the products can react to form the original compound again under specific conditions.
Importance in Chemistry
- Thermal decomposition is crucial for understanding the behavior of metal carbonates and their applications in industries such as construction, where lime (CaO) is produced from limestone (CaCO3).
- It also plays a role in the production of various metal oxides, which are essential in manufacturing processes.
In summary, thermal decomposition is the correct answer because it accurately describes the process occurring when metal carbonates decompose upon heating, resulting in simpler substances.
Thermal decomposition is a chemical process where a compound breaks down into simpler substances when heated. In the context of metal carbonates, this reaction is significant in various chemical and industrial applications.
Process of Decomposition
- When metal carbonates, such as calcium carbonate (CaCO3), are heated, they undergo decomposition.
- The thermal energy causes the chemical bonds in the carbonate to break, resulting in the formation of metal oxides and carbon dioxide gas.
- For example, the decomposition of calcium carbonate can be represented as:
- CaCO3 (s) → CaO (s) + CO2 (g)
Characteristics of Thermal Decomposition
- Heat Requirement: Thermal decomposition requires heat to initiate the breakdown of the compound.
- Endothermic Reaction: This process absorbs heat, making it endothermic, which means it requires energy input to proceed.
- Reversibility: In some cases, the products can react to form the original compound again under specific conditions.
Importance in Chemistry
- Thermal decomposition is crucial for understanding the behavior of metal carbonates and their applications in industries such as construction, where lime (CaO) is produced from limestone (CaCO3).
- It also plays a role in the production of various metal oxides, which are essential in manufacturing processes.
In summary, thermal decomposition is the correct answer because it accurately describes the process occurring when metal carbonates decompose upon heating, resulting in simpler substances.
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What is the process called when a metal carbonate decomposes upon heat...
Thermal decomposition refers to the process in which a compound breaks down into simpler substances when heated. For example, calcium carbonate decomposes into calcium oxide and carbon dioxide when heated.
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