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One litre of $CO_2$ is passed over hot cake.The volume becomes 1.4litre.The percent composition of products is

$\begin{array}{1 1}(a)\;0.6\;litre&(b)\;0.8\;litre\;CO_2\\(c)\;0.6\;lCO_2\;and\;0.8\;l\;CO&(d)\;None\;of\;these\end{array}$

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$CO_2+C\rightarrow 2CO$
$(1-x)+2x\rightarrow 1.4$
$x=0.4$
$\therefore$ The percent composition of products is 0.8l
Hence (c) is the correct answer.
answered Oct 28, 2013 by sreemathi.v
 

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