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JAMB Chemistry 2024 Paper

Question : 6

Total: 138

When Calcium ethynide is decomposed by water, the gas produced is

Solution:

In contact with water, calcium carbide instantly decomposes hydrolytically, yielding acetylene gas and calcium hydroxide.

Calcium ethynide is also known as calcium carbide.

CaC $_2$ + 2H $_2$ O → Ca(OH) $_2$ + C $_2$ H $_2$

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