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Question

Which type of chemical reaction involves the breakdown of a compound into two or more simpler substances?

The correct answer is
Decomposition reaction

Chemical Reaction Types: Decomposition Explained

The question asks to identify the chemical reaction characterized by the breakdown of a compound into two or more simpler substances.

Understanding Reaction Classifications

Chemical reactions can be classified based on how reactants transform into products. Let's examine the options:

  • Combination Reaction: Involves the formation of a single compound from two or more simpler substances. (Example: A + B → AB)
  • Displacement Reaction: Involves the substitution of an element or group in a compound by another element or group. (Example: A + BC → AC + B)
  • Decomposition Reaction: A single compound breaks down into two or more simpler products. This is the reverse of a combination reaction. (Example: AB → A + B)
  • Neutralization Reaction: A specific type of reaction between an acid and a base, producing salt and water. (Example: HCl + NaOH → NaCl + H2O)

Identifying the Correct Reaction Type

The definition "breakdown of a compound into two or more simpler substances" precisely matches the description of a decomposition reaction. In this process, a complex compound disintegrates into simpler elements or compounds.

Therefore, the correct type of chemical reaction is Decomposition reaction.

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Important Questions from Chemical Bond and Molecular Structure

  1. Which reaction best supports the Law of Conservation of Mass?
  2. In Diborane, the B...H...B bonds are:
  3. Reactive dyes form the following bonds with the fiber:
  4. Fire extinguishers emit which gas?

  5. Which of the following statement(s) is/are CORRECT?

    I. Carbon compounds linked by only single bond are called saturated compounds.

    II. Carbon compounds having double or triple bonds are called unsaturated compounds.

    III. Saturated carbon compounds are more reactive than unsaturated carbon compounds.

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