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On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why
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On burning saturated or unsaturated hydrocarbons, they gives which col...
Burning of Hydrocarbons and Flame Color
Saturated Hydrocarbons
- Saturated hydrocarbons contain only single bonds between carbon atoms and are also known as alkanes.
- When burned, saturated hydrocarbons produce a blue flame.
- This is because the blue flame indicates that the combustion is complete, and all the carbon and hydrogen molecules have been fully oxidized to produce carbon dioxide and water vapor.
- The blue color of the flame is due to the emission of excited diatomic molecules of nitrogen and oxygen in the air, which produce a characteristic blue glow.
Unsaturated Hydrocarbons
- Unsaturated hydrocarbons contain one or more double or triple bonds between carbon atoms and are also known as alkenes or alkynes.
- When burned, unsaturated hydrocarbons produce a yellow or orange flame.
- This is because the incomplete combustion of unsaturated hydrocarbons produces soot, which appears as a yellow or orange color in the flame.
- The soot is produced when the carbon atoms in the hydrocarbon do not undergo complete oxidation, and instead form carbon particles that are heated to incandescence by the flame.
- The yellow or orange color of the flame is due to the emission of excited sodium and potassium atoms in the air, which produce a characteristic yellow-orange glow.
Conclusion
- The color of the flame produced by burning hydrocarbons depends on the degree of combustion and the presence of unsaturated bonds in the hydrocarbon.
- Saturated hydrocarbons produce a blue flame, indicating complete combustion, while unsaturated hydrocarbons produce a yellow or orange flame, indicating incomplete combustion and the presence of soot.
Community Answer
On burning saturated or unsaturated hydrocarbons, they gives which col...
Saturated hydrocarbon burn in air give blue colour flame $ unsaturated hydrocarbon burn in air give yellowish colour flame. due to it depends on the amount of oxygen available and the ratio of hydrogen to carbon in the fuel
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On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why
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On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why.
On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for On burning saturated or unsaturated hydrocarbons, they gives which color of flame and why.
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