Calcium carbide is prepared by heating lime with coke at?
Correct answer: D. 2800 °C
- A. 2500°C
- B. 2600°C
- C. 2700°C
- D. 2800 °C
Explanation
When lime is heated with coke at about 2800°C in an electric furnace, calcium carbide is produced, which on hydrolysis yields acetylene. CaO † 3C ➤ CaC2 † CO
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Alkynes are unsaturated hydrocarbons containing a carbon-carbon triple bond, with sp-hybridised carbon atoms and a linear arrangement around the bond. The content includes nomenclature, preparation, acidity of terminal alkynes, and addition reactions with hydrogen, halogens, hydrogen halides and water, as well as oxidation.
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