Multiple Choice
Acetylene (C2H2) is a small organic molecule used in the industrial preparation of many other molecules and also in welding. Acetylene is made from calcium carbide and water, resulting in acetylene and also calcium hydroxide. Which of the following choices is the correct balanced chemical equation for the preparation of acetylene?
A) CaC2 + H2O → CaO + C2H2
B) CaC2 + H2O → Ca(OH) 2 + C2H2
C) CaC2 + 2 H2O → Ca(OH) 2 + C2H2
D) CaC2 + 2 H2O → CaO + C2H2 + H2O
E) 2 CaC2 + H2O → Ca(OH) 2 + 2 C2H2
Correct Answer:
Verified
Correct Answer:
Verified
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