Q. A gas decolourised by $KMnO_{4}$ solution but gives no precipitate with ammoniacal cuprous chloride is
A) Ethane
B) Methane
C) Ethene
D) Acetylene
Explanation
(c)
Decolourisation of $KMnO_{4}$ (unsaturation test)
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.