
One litre of is passed through red hot coke. The volume becomes litres at the same temperature and pressure. The composition of products is :
A) litre of and litre of
B) litre of and litre of
C) litre of and litre of
D) litre of and litre of
Answer
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Hint: the coke is considered as only carbon thus has a formula as C. Coke is reacted with the carbon dioxide such that coke is reduced to carbon monoxide. The chemical reaction of coke that is carbon C with carbon dioxide gives two moles of carbon monoxide. The reaction may form a mixture of gases which includes and unreacted .
Complete step by step answer:
Coke is a grey and hard coloured porous fuel material. It has a high content of carbon element with few impurities. It is chiefly made out of carbon with a minor amount of hydrogen, nitrogen, sulphur, and oxygen. The coke is considered as only carbon thus has a formula as C.
The chemical reaction of coke that is carbon C with carbon dioxide gives two moles of carbon monoxide. The reaction is as depicted below,
According to the given problem, one litre of carbon dioxide reacts with one mole of carbon from the coke and generates 2 litres of carbon monoxide.
We have given that of the mixture of gases. The mixture is of carbon monoxide and untreated carbon dioxide.
Let's consider that x litres of carbon dioxide reacts with the carbon and give 2x litres of carbon monoxide. The total volume of the mixture would be equal to the sum of the volume of and .Thus,
We have given that of the mixture of gas thus the total volume of the mixture would be,
Thus the new volume of the carbon dioxide would be equal to the difference in the initial volume to the carbon dioxide reacted which would be given as,
We know that the volume of carbon monoxide formed is two times the volume of carbon dioxide. Thus the volume of carbon dioxide can be calculated as,
Thus the volume of carbon dioxide reacting with the coke is .
Now we can determine the new volume of carbon dioxide as follows,
Let's substitute the value of x (that is the volume of carbon dioxide) we have,
Now we know that ,thus
The volume of carbon dioxide or the product formed is equal to
Therefore the composition of the product obtained by reaction of one litre of carbon dioxide with coke is of carbon dioxide and a litre of carbon monoxide (total volume remains as )
Hence, (C) is the correct option.
Note: Note that coke and carbon monoxide is used as the reducing agent in the smelting process. The bottom of the furnace reducing agent is a carbon (as coke).it initially oxidized to carbon dioxide. This carbon dioxide then rises in the furnace and reacts with coke and is reduced as carbon monoxide. The reaction is endothermic in nature.
Complete step by step answer:
Coke is a grey and hard coloured porous fuel material. It has a high content of carbon element with few impurities. It is chiefly made out of carbon with a minor amount of hydrogen, nitrogen, sulphur, and oxygen. The coke is considered as only carbon thus has a formula as C.
The chemical reaction of coke that is carbon C with carbon dioxide gives two moles of carbon monoxide. The reaction is as depicted below,
According to the given problem, one litre of carbon dioxide reacts with one mole of carbon from the coke and generates 2 litres of carbon monoxide.
We have given that
Let's consider that x litres of carbon dioxide reacts with the carbon and give 2x litres of carbon monoxide. The total volume of the mixture would be equal to the sum of the volume of
We have given that
Thus the new volume of the carbon dioxide would be equal to the difference in the initial volume to the carbon dioxide reacted which would be given as,
We know that the volume of carbon monoxide formed is two times the volume of carbon dioxide. Thus the volume of carbon dioxide can be calculated as,
Thus the volume of carbon dioxide reacting with the coke is
Now we can determine the new volume of carbon dioxide as follows,
Let's substitute the value of x (that is the volume of carbon dioxide) we have,
Now we know that
The volume of carbon dioxide or the product formed is equal to
Therefore the composition of the product obtained by reaction of one litre of carbon dioxide with coke is
Hence, (C) is the correct option.
Note: Note that coke and carbon monoxide is used as the reducing agent in the smelting process. The bottom of the furnace reducing agent is a carbon (as coke).it initially oxidized to carbon dioxide. This carbon dioxide then rises in the furnace and reacts with coke and is reduced as carbon monoxide. The reaction is endothermic in nature.
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