1.

A gaseous alkane (C_(n)H_(2n+2)) is exploded with oxygen. The volume of O_(2) and CO_(2) formed are in the ratio of 7:4, Deduce the value of n.

Answer»


Solution :`C_(N)H_(2n+2)+[n+(n+1)/(2)]O_(2)rarrnCO_(2)+(n+1)H_(2)O`
`(n+((n+1))/(2))/(n)=(7)/(4)` or n=2


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