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Question

One litre of CO2 is passes over hot coke. After one hour volume becomes 1.4lItres. Composition of product is:

A
0.6 litre CO2
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B
0.8 litre CO2
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C
0.6 litre CO2 and 0.8 litre CO
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D
None of these
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Solution

The correct option is C 0.6 litre CO2 and 0.8 litre CO
1 litre of CO2 which gives 2 litres of CO.
x litres of CO2 gives 2x litres of CO.
Total volume of mixture =CO2+CO.
Vmix=V(NewCO2)+V(CO)=1.4L
V(NewCO2)=(1x)L
V(CO)=2x
Hence, 1x+2x=1.4x=0.4L
So, Volume of CO2=(10.4)L=0.6L
Volume of CO=2(0.4)L=0.8L

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