the volume of carbon dioxide formed by 1 litre of O2 reacts with 2 litres of CO under the same conditions

Dear Student,

The reaction between carbon monoxide and oxygen can be given as:

2CO + O2 2CO2
Thus, we can see that 2 moles of CO will give 2 moles of CO2.
And one mole of O2 will give 2 moles of CO.
The molar ratio for CO and CO2 will be 1:1 and for O2 and CO2 will be 1:2.
This ratio will also be the same for the ratio of volumes as the number of moles is directly proportional to the volume.
One mol of gas = 22.4 L of gas

Thus, the volume ratio for CO and CO2 will be 1:1. Thus, since the volume of carbon monoxide is 2 litres, the volume of carbon dioxide produced will also be 2 litres.

We can get the same result from volume ratio of oxygen and carbon dioxide,1:2 . One litre of oxygen will give two litres of carbon dioxide.

Thus, two litres of carbon dioxide are produced.

Hope it helps.

Regards

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