When water is dropped on calcium carbide, the gaseous product is an

Assessment: WAEC SSCE - Chemistry - 1994 (Objective) Subject: Chemistry

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When water is dropped on calcium carbide, the gaseous product is an
Answer Details
When water is dropped on calcium carbide, the gaseous product formed is acetylene (C2H2), which is an alkyne. Calcium carbide (CaC2) reacts with water (H2O) to produce acetylene gas and calcium hydroxide (Ca(OH)2) according to the following equation: CaC2 + 2H2O → C2H2 + Ca(OH)2 Acetylene gas is a colorless, highly flammable gas with a distinctive odor. It is commonly used in welding and cutting torches, as well as in the production of various organic chemicals.
Read lesson note on Chemical Combination (JAMB)
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