Hydrocarbons - Result Question 96
84. Give one characteristic test which would distinguish $CH _4$ from $C _2 H _2$.
(1979,1 M)
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Solution:
- Acetylene can be distinguished from methane using Tollen’s reagent :
$ C _2 H _2+AgNO _3 \xrightarrow{NH _3(a q)} H \underset{\text { White ppt. }}{C \equiv CAg \downarrow} $
No such reaction occur with methane.