Neutralization is a chemical reaction where an acid and a base (or alkali) come together to form water and a salt. During this reaction, the hydrogen ions (H⁺) from the acid combine with the hydroxide ions (OH⁻) from the base to produce water. The result is usually a solution with a neutral pH of around 7. However, the pH can vary depending on how strong or weak the acid and base are. If a strong acid reacts with a weak base, the pH will be lower than 7 (more acidic). On the other hand, if a strong base reacts with a weak acid, the pH will be higher than 7 (more basic).
Topics
Gravitation
- Concept of Gravitation
- Force
- Motion and Rest
- Centripetal Acceleration and Centripetal Force
- Kepler’s Laws
- Newton’s Universal Law of Gravitation
- Uniform Circular Motion (UCM)
- Earth’s Gravitational force
- Acceleration Due to Gravity (Earth’s Gravitational Acceleration)
- Concept of Mass and Weight
- Gravitational Waves
- Free Fall
- Gravitational Potential Energy
- Weightlessness in Space
Periodic Classification of Elements
- History of Periodic Table: Early Attempts at the Classification of Elements
- Dobereiner’s Triads
- Newland's Law of Octaves
- Mendeleev’s Periodic Table
- Merits and Demerits of Mendeleev’s Periodic Table
- Modern Periodic Law
- The Modern Periodic Table
- Structure of the Modern Periodic Table
- Modern Periodic Table and Electronic Configuration of Elements
- Groups and Electronic Configuration
- Periods and Electronic Configuration
- Periodic Properties
- Valency
- Atomic Radius Or Atomic Size
- Metallic and Non-metallic Characters
- Group VIIA Or Group 17 (The Halogens)
Chemical Reactions and Equations
- Chemical Reaction
- Chemical Equation
- Balancing Chemical Equation
- Types of Chemical Change or Chemical Reaction
- Direct Combination (or Synthesis) Reaction
- Decomposition Reactions
- Single Displacement Reactions
- Double Displacement Reaction
- Energy Change in Chemical Reactions
- Rate of Chemical Reaction
- Factors Affecting the Rate of a Chemical Reaction
- Oxidation, Reduction and Redox Reactions
- Corrosion of Metals
- Rancidity of Food and Its Prevention
Effects of Electric Current
- Electric Circuit
- Ohm's Law (V = IR)
- Heating Effect of Electric Current
- Magnetic Effect of Electric Current
- Right-hand Thumb Rule
- Magnetic Field Due to Current in a Loop (Or Circular Coil)
- Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid)
- Force on a Current Carrying Conductor in a Magnetic Field
- Fleming’s Left Hand Rule
- Electric Motor
- Electromagnetic Induction
- Galvanometer
- Fleming’s Right Hand Rule
- Types of Current
- Electric Generator
Heat
Refraction of Light
Lenses
- Concept of Lenses
- Spherical Lens
- Convex Lens
- Images Formed by Convex Lenses
- Concave Lens
- Images Formed by Concave Lenses
- Sign Convention
- Lens Formula
- Magnification Due to Spherical Lenses
- Power of a Lens
- Combination of Lenses
- Human Eye
- Working of the Human Eye
- Eye Defect and Its Correction: Myopia Or Near-sightedness
- Eye Defect and its Correction: Hypermetropia or Far-sightedness
- Eye Defect and Its Correction: Presbyopia
- Persistence of Vision
Metallurgy
- Types of Element: Metals
- Physical Properties of Metals
- Chemical Properties of Metal
- Reactions of Metal
- Reactivity Series of Metals
- Types of Element: Non-metal
- Physical Properties of Non-metal
- Chemical Properties of Non-metal
- Ionic Compounds
- Metallurgy
- Basic Principles of Metallurgy
- Extraction of Reactive Metals
- Extraction of Aluminium
- Extraction of Moderately Reactive Metals
- Extraction of Less Reactive Metals
- Refining of Metals
- Corrosion of Metals
- Prevention of Corrosion
Carbon Compounds
- Carbon Compounds in Everyday Life
- Bonds in Carbon Compounds
- Carbon: A Versatile Element
- Properties of Carbon
- Hydrocarbons
- Structural Variations of Carbon Chains in Hydrocarbons
- Functional Groups in Carbon Compounds
- Homologous Series of Carbon Compound
- Nomenclature of Organic Compounds
- The IUPAC System of Nomenclature
- Chemical Properties of Carbon Compounds
- Ethanol
- Ethanoic Acid
- Macromolecules and Polymers
Space Missions
- Concept of Space Missions
- Artificial Satellites
- Types of Satellite
- Orbits of Artificial Satellites
- Space Launch Technology
- Space Missions Away from Earth
- India’s Space Programmes: Chandrayaan – 1
- India’s Space Programmes: Chandrayaan – 2
- India’s Space Programmes: Chandrayaan – 3
- India’s Space Programmes: Mangalyaan (Mars vehicle)
- India’s Space Programmes: Missions to Other Planets
- India and Space Technology
- Space Debris and Its Management
School of Elements
The Magic of Chemical Reactions
The Acid Base Chemistry
- Properties of Acids
- Strength of Acidic or Basic Solutions
- Strength of Acidic or Basic Solutions
- Acids, Bases and Their Reactivity
- Acid or a Base in a Water Solution
- Preparation and Uses of Baking Soda
- Preparation and Uses of Bleaching Powder
- Preparation and Uses of Washing Soda
- Preparation and Uses of Plaster of Paris
- Chemicals from Common Salt - Soap as a Salt
The Electric Spark
All about Electromagnetism
- Magnetic Force
- The Bar Magnet
- Right-hand Thumb Rule
- Magnetic Field Due to Current in a Loop (Or Circular Coil)
- Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid)
- Force on a Current Carrying Conductor in a Magnetic Field
- Electric Motor
- Electromagnetic Induction
- Alternating Current (A.C.) Generator
- Direct Current Motor
- Household Electrical Circuits
Wonders of Light 1
- Spherical Mirrors
- Concave Mirror
- Concave Mirror
- Sign Convention
- Linear Magnification (M) Due to Spherical Mirrors
- Images Formed by Sperical Lenses
- Convex Lens
- Sign Convention
- Magnification Due to Spherical Lenses
- Power of a Lens
- Human Eye
- Eye Defect and Its Correction: Myopia Or Near-sightedness
- Spherical Mirrors
Wonders of Light 2
Striving for better Environment 1
- Pollution and Its Types
- Air Pollution and Its Causes
- Effects of Air Pollution
- Water Pollution and Its Causes
- Effects of Water Pollution
- Soil Pollution and its Causes
- Effects of Soil Pollution
- Noise Pollution
- Radioactive Pollution and Effects
- Abatement of Pollution
- Sustainable Use of Resources
- Introduction of Neutralization
- Application of Neutralization
Introduction of Neutralization:
Neutralization reaction,
The neutralization process in the reaction form can be expressed as the following:
Acid + Base → Salt + Water
For example,
- HCl + NaOH → NaCl + H₂O
- 2HNO₃ + Ba(OH)₂ → Ba(NO₃)₂ + 2H₂O
- H₂CO₃ + 2KOH → K₂CO₃ + 2H₂O
- 2H₃PO₄ + 3Ca(OH)₂ → Ca(PO₄)₂ + 6H₂O
- 3HNO₃ + Fe(OH)₃ → Fe(NO₃)₃ + 3H₂O
The net ionic equation example can demonstrate a weak acid and weak base reaction:
H⁺(aq) + NH₃(aq) ⇋ NH₄⁺(aq)
Application of Neutralization:
- Neutralization is used in wastewater treatment to reduce damage from harmful effluent.
- Antacid tablets, containing bases like aluminium hydroxide, neutralise excess stomach acid to relieve discomfort.
- Neutralization helps in chemical titration to determine unknown concentrations of acids or bases.
- Applying baking soda to a bee sting neutralizes the acid in the venom, reducing pain and itching.
- Vinegar is used on a wasp sting because it neutralizes the basic venom, minimising discomfort.
- Soil pH is managed using neutralization; bases like calcium carbonate are added to balance overly acidic soil.
- In the rubber industry, ammonia (NH₄OH) prevents latex coagulation by neutralizing lactic acid.
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