20 cc of a hydrocarbon mixed with 66 cc of oxygen is exploded. After cooling the gaseous mixture, the volume becomes 56cc. The volume of this mixture when shaken with KOH solution reduces to 16cc. Determine the formula of hydrocarbon.
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Experimental Values : Volume of hydrocarbon taken = 20 cc Volume of oxygen added = 66 cc Volume after explosion and cooling
Volume after introducing KOH
Theoretical values : Let
be the formula of the gaseous hydrocarbon. The oxidation equaiton will be
Equating experimental and theoretical values of carbon dioxide formed and oxygen used, we get
Hence formula of hydrocarbon is C2H2
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