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Question
Chemistry
Which product is obtained, when C2H2 passes from red hot copper tube?
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Q. Which product is obtained, when $ {{C}_{2}}{{H}_{2}} $ passes from red hot copper tube?
Rajasthan PET
Rajasthan PET 2002
A
$ {{C}_{6}}{{H}_{6}} $
B
Butadiene
C
$ CH\equiv C-CH=C{{H}_{2}} $
D
$ {{C}_{2}}{{H}_{4}} $
Solution:
$ \underset{acetylene}{\mathop{3{{C}_{2}}{{H}_{2}}}}\,\xrightarrow[Polymerisation]{\operatorname{Re}d\,hot\,Cu\,tube}\underset{benzene}{\mathop{{{C}_{6}}{{H}_{6}}}}\, $