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Draw the Electron-dot Structure for Ethyne. a Mixture of Ethyne and Oxygen is Burnt for Welding. in Your Opinion, Why Cannot We Use a Mixture of Ethyne and Air for this Purpose? - Science

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Draw the electron-dot structure for ethyne. A mixture of ethyne and oxygen is burnt for welding. In your opinion, why cannot we use a mixture of ethyne and air for this purpose?

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Solution

Ethyne burns in air with a sooty flame because of incomplete combustion caused by the limited supply of air.

However, ethyne burns in oxygen with a clean flame with a temperature of 3000°C because of complete combustion.

This oxy-acetylene flame is used for welding.

Such a high temperature cannot be achieved without mixing oxygen.

Therefore, a mixture of ethyne and air is not used for welding.

Concept: Chemical Properties of Carbon Compound
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