TYPES OF OXIDES An oxide is a compound of Oxygen and another element (e.g. through the process of...

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TYPES OF OXIDES • An oxide is a compound of Oxygen and another element (e.g. through the process of Combustion) • Metals form Metal Oxides and Non-Metals form Non-Metal Oxides • Oxides can be classified as either Acidic, Basic, Amphoteric or Neutral Nature of the oxides of the elements across the periodic table from left to right changes from Basic –> Amphoteric –> Acidic

Transcript of TYPES OF OXIDES An oxide is a compound of Oxygen and another element (e.g. through the process of...

Page 1: TYPES OF OXIDES An oxide is a compound of Oxygen and another element (e.g. through the process of Combustion) Metals form Metal Oxides and Non-Metals form.

TYPES OF OXIDES

• An oxide is a compound of Oxygen and another element (e.g. through the process of Combustion)

• Metals form Metal Oxides and Non-Metals form Non-Metal Oxides

• Oxides can be classified as either Acidic, Basic, Amphoteric or Neutral

Nature of the oxides of the elements across the periodic table from left to right changes from Basic –> Amphoteric –> Acidic

Page 2: TYPES OF OXIDES An oxide is a compound of Oxygen and another element (e.g. through the process of Combustion) Metals form Metal Oxides and Non-Metals form.

ACIDIC OXIDES

ACIDIC OXIDES Examples:

SO2, SO3, CO2, NO2

Properties:1. Do not react with acids.2. React with bases and alkalis to form salt & water.3. Dissolve in water to form acidic solutions.4. Usually gases at room temp.

Page 3: TYPES OF OXIDES An oxide is a compound of Oxygen and another element (e.g. through the process of Combustion) Metals form Metal Oxides and Non-Metals form.

BASIC OXIDES

Examples:Na2O, CaO, MgO, FeO, CuO

Properties:1. Do not react with bases.2. React with acids to form salt & water.3. Basic Oxides are usually insoluble in water. Those that dissolve in water forms alkaline solutions.

NEUTRAL OXIDES Examples:

CO, NO, H2O Properties:

1. Neutral pH

AMPHOTERIC OXIDESExamples:Oxides formed with metals near “STEPS” such as ZnO, Al2O3, PbO,Properties:1. React with both acids and bases to form salt & water

Page 4: TYPES OF OXIDES An oxide is a compound of Oxygen and another element (e.g. through the process of Combustion) Metals form Metal Oxides and Non-Metals form.

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