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Why Are Decomposition Reactions Called the Opposite of Combination Reactions? Write Equations for This Reaction
By BYJU'S Exam Prep
Updated on: September 25th, 2023
Decomposition reaction are called the opposite of combination reaction as in combination, one or more reactatns produce new products whereas in decomposition reaction a compound breaks to two or simpler compounds.
Combination reaction
- This kind of reaction involves the interaction of one or more reactants to create brand-new products.
- The following list provides a general explanation of a combo reaction:
X + Y → XY
Combination reaction illustration
Following is the chemical reaction:-
CaO(s) + H2O (l) → Ca(OH)2(aq)
Decomposition reaction
A decomposition reaction is one in which a substance splits into two or simpler components.
The following is a general description of a decomposition reaction:
XY → X + Y
Table of content
Example of decomposition reaction
NaCl → Cl + Na
Applications of Decomposition reaction
Extraction of metals from their ores is a significant use of decomposition processes. For instance, by putting calamine through a breakdown reaction, zinc can be extracted. The same process can be used to make sodium from sodium chloride (NaCl).
Uses of Decomposition reaction
- manufacturing of calcium oxide or cement.
- Extraction of metals from their oxides, chlorides, etc. for metallurgical operations.
- the alleviation of dyspepsia caused by acid.
- Thermoplastic welding
As seen in the instances above, decomposition reactions are referred to as the opposite of combination reactions.
Summary:-
Why Are Decomposition Reactions Called the Opposite of Combination Reactions? Write Equations for This Reaction
As opposed to combination reactions, which result in the creation of new products from one or more reactants, decomposition reactions involve the breakdown of a chemical into two or simpler components.
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