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NEET UG CHEMISTRY MCQ: HYDROCARBONS
1
Medium
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Analyzing
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When was hydrolysed a gas was obtained. It had a garlic odour due to phosgene present as impurity. The gas was passed through ammoniacal solution of , ared ppt. was obtained. The gas was:
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Correct option: C
Acetylene
Option C is correct because acetylene (ethyne) reacts with cuprous chloride in an ammoniacal solution to form a red precipitate of copper acetylide. The garlic odor is due to phosphine impurity in the calcium carbide.
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