2.1.6 Reaction of a Non-metallic Oxide with Base

Description

Quick Overview

The section discusses how non-metallic oxides react with bases, specifically highlighting the reaction between carbon dioxide and calcium hydroxide.

Standard

This section explains that non-metallic oxides, such as carbon dioxide, react with bases to produce a salt and water. This reaction is analogous to acid-base reactions, indicating that non-metallic oxides exhibit acidic characteristics.

Detailed

Reaction of a Non-metallic Oxide with Base

In this section, we explore the behavior of non-metallic oxides, particularly focusing on carbon dioxide's reaction with a base like calcium hydroxide (lime water). When carbon dioxide reacts with calcium hydroxide, it results in the formation of calcium carbonate (a salt) and water. This reaction highlights a significant conclusion: non-metallic oxides are acidic in nature.

Understanding this concept is essential for grasping broader chemical principles. The tendency of non-metallic oxides to react with bases to form salts reinforces the idea that they can act similarly to acids in chemical reactions. Acids donate protons (H+ ions), whereas non-metallic oxides like CO2 can accept protons when dissolved in water, further demonstrating their acidic nature in aqueous solutions.

Key Concepts

  • Non-metallic oxides can react with bases to form salts and water.

  • Carbon dioxide is a common non-metallic oxide that shows acidic properties when in solution.

  • The reaction between a non-metallic oxide and a base is similar to that between an acid and a base.

Memory Aids

🎵 Rhymes Time

  • When non-metals to air combine, acidic traits they surely sign.

📖 Fascinating Stories

  • Imagine a world where carbon dioxide meets calcium hydroxide. Together, they create a beautiful salt formation - a reminder of how different substances can come together.

🧠 Other Memory Gems

  • CO2 + Ca(OH)2 = CaCO3 + H2O - Remember: 'Carbon Loves Calcium for Salty Water!'

🎯 Super Acronyms

NSR - Non-metallic oxides, Salt, Reaction - for remembering the main concept.

Examples

  • The reaction of carbon dioxide (CO2) with calcium hydroxide (Ca(OH)2) produces calcium carbonate (CaCO3) and water (H2O).

  • An example illustrating the nature of acidic behavior is the formation of carbonic acid in water from dissolved CO2.

Glossary of Terms

  • Term: Nonmetallic Oxide

    Definition:

    A compound formed by the reaction of a non-metal with oxygen, such as carbon dioxide.

  • Term: Calcium Hydroxide

    Definition:

    A strong base also known as lime, which reacts with acidic compounds.

  • Term: Salt

    Definition:

    A compound formed from the neutralization reaction of an acid and a base.

  • Term: AcidBase Reaction

    Definition:

    A chemical reaction that occurs between an acid and a base, producing a salt and water.