which type of reaction is represented by this equation ?




Which Type of Reaction is Represented by This Equation?





Which Type of Reaction is Represented by This Equation?

Introduction

Chemical reactions are the processes by which atoms are rearranged to form new substances. They are essential to life and to many industrial processes. Understanding the different types of reactions and how to identify them based on their equations is important for predicting the outcome of a reaction and for designing new reactions.

In this article, we will discuss the different types of reactions and how to identify them based on their equations.

Types of Reactions

There are five main types of reactions:

  1. Combination reactions
  2. Decomposition reactions
  3. Single displacement reactions
  4. Double displacement reactions
  5. Redox reactions

Let’s take a closer look at each type.

Combination Reactions

A combination reaction is a reaction in which two or more substances combine to form a single product. The general equation for a combination reaction is:

A + B → AB

For example, the reaction between hydrogen gas and oxygen gas to form water is a combination reaction:

2H2 + O2 → 2H2O

Decomposition Reactions

A decomposition reaction is a reaction in which a single compound breaks down into two or more simpler substances. The general equation for a decomposition reaction is:

AB → A + B

For example, the decomposition of water into hydrogen gas and oxygen gas is a decomposition reaction:

2H2O → 2H2 + O2

Single Displacement Reactions

A single displacement reaction is a reaction in which one element replaces another element in a compound. The general equation for a single displacement reaction is:

A + BC → AC + B

For example, the reaction between zinc metal and hydrochloric acid to form zinc chloride and hydrogen gas is a single displacement reaction:

Zn + 2HCl → ZnCl2 + H2

Double Displacement Reactions

A double displacement reaction is a reaction in which the cations and anions of two different compounds switch places, forming two new compounds. The general equation for a double displacement reaction is:

AB + CD → AD + CB

For example, the reaction between sodium chloride and silver nitrate to form sodium nitrate and silver chloride is a double displacement reaction:

NaCl + AgNO3 → NaNO3 + AgCl

Redox Reactions

A redox reaction is a reaction in which there is a transfer of electrons from one substance to another. Redox reactions can be identified by changes in oxidation states. The general equation for a redox reaction is:

OX + RED → RED + OX

For example, the reaction between magnesium metal and hydrochloric acid to form magnesium chloride and hydrogen gas is a redox reaction:

Mg + 2HCl → MgCl2 + H2

Examples

Let’s look at some examples of how to identify the type of reaction based on its equation.

Example 1

Identify the type of reaction represented by the following equation:

2Na + Cl2 → 2NaCl

This is a combination reaction because two elements (sodium and chlorine) combine to form a compound (sodium chloride).

Example 2

Identify the type of reaction represented by the following equation:

2H2O2 → 2H2O + O2

This is a decomposition reaction because a single compound (hydrogen peroxide) breaks down into two simpler substances (water and oxygen gas).

Example 3

Identify the type of reaction represented by the following equation:

Fe + CuSO4 → FeSO4 + Cu

This is a single displacement reaction because iron (Fe) replaces copper (Cu) in the compound (copper sulfate).

Example 4

Identify the type of reaction represented by the following equation:

NaOH + HCl → NaCl + H2O

This is a double displacement reaction because the cations and anions of two different compounds (sodium hydroxide and hydrochloric acid) switch places, forming two new compounds (sodium chloride and water).

Example 5

Identify the type of reaction represented by the following equation:

2Al + 3CuSO4 → Al2(SO4)3 + 3Cu

This is a redox reaction because there is a transfer of electrons from aluminum (Al) to copper (Cu).

Conclusion

Chemical reactions are the processes by which atoms are rearranged to form new substances. There are five main types of reactions: combination reactions, decomposition reactions, single displacement reactions, double displacement reactions, and redox reactions. By understanding the different types of reactions and how to identify them based on their equations, you can predict the outcome of a reaction and design new reactions.

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1.Types of Chemical Reactions – Kent Chemistry

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  • Descriptions: Which type of chemical reaction is represented by this equation? (1) double replacement (2) single replacement (3) substitution (4) synthesis.
  • Source : http://www.kentchemistry.com/links/Math/TypreofChemicalRxns.htm

2.what type of reaction is represented by this equation? – Brainly.com

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  • Descriptions: The type of reaction represented by the equation in the image is an addition reaction. What are addition reactions in Chemistry?
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3.[PDF] They 2015 – Reg Chem ’14-’15

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  • Descriptions: Which type of chemical reactions are represented by these equations? 1) single replacement and decomposition. 2) single replacement and double replacement. 3) …
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4.Which types of reactions are represented by the chemical equation

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  • Descriptions: Which types of reactions are represented by the chemical equation CaOs+CO2g→CaCO3s.
  • Source : https://byjus.com/question-answer/which-types-of-reactions-are-represented-by-the-chemical-equation-mathrm-cao-left-mathrm-s/

5.What type of chemical reaction is represented by the equation Mg(s …

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  • Descriptions: Answer to: What type of chemical reaction is represented by the equation Mg(s) + 2HCl(aq) rightarrow MgCl_2(aq) + H_2(g)? By signing up, you’ll…
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6.Which type of reaction is represented by the following equation …

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  • Descriptions: Answer: b (decomposition). The balanced reaction equation is: 2 K C l O 3 → 2 K C l + 3 O 2. We see a single larger reactant formula unit being broken …
  • Source : https://homework.study.com/explanation/which-type-of-reaction-is-represented-by-the-following-equation-2kclo3-arrow-2kcl-plus-3o2-a-synthesis-b-decomposition-c-single-replacement-d-double-replacement.html

7.What type of reaction is represented by the equation Zn(s … – Socratic

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  • Descriptions: It’s a redox-reaction. Explanation: The zinc is oxidized from Z …
  • Source : https://socratic.org/questions/what-type-of-reaction-is-represented-by-the-equation-zn-s-h-2so-4-aq-znso-4-aq-h

8.What kind of reaction is represented by the equation C_2Cl_4 + Cl_2

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  • Descriptions: 1 Answer … It’s the synthesis reaction also called combination reaction or composition reaction. Explanation: The chemical equation clearly …
  • Source : https://socratic.org/questions/what-kind-of-reaction-is-represented-by-the-equation-c-2cl-4-cl-2-c-2cl-6

9.Name the type of chemical reaction represented by the following …

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  • Descriptions: Click here to get an answer to your question ✍ Name the type of chemical reaction represented by the following equation:(i) CaO + H2O ⟶ Ca(OH)2 (ii) …
  • Source : https://www.toppr.com/ask/en-us/question/name-the-type-of-chemical-reaction-represented-by-the-following-equationicaoh2o-rightarrow-caoh2ii3bacl2al2so432alcl33baso4iii2feso4-xrightarrowheat-fe2o3so2so3/

10.[PDF] Assignment #18: Types of Reactions Regents Questions

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  • Descriptions: Which type of reaction is represented by this equation? (1) decomposition. (2) double replacement. (3) single replacement. (4) synthesis.
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