Half litre of CO2 is passes over red hot coke.The volume of CO formed is 800 ml.what is the volume of CO2 left unreacted?
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Answer:
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Answered by
0
Answer:
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Explanation:
Red hot coke reduces CO
2
to CO. The balanced equation is CO
2
+C→2CO.
∴1 mol of CO
2
will give 2 mol of CO.
x L of CO
2
will give 2x L of CO.
In the question, 1 L of CO
2
will react to give 1.4 L of mixture.
Out of 1 L, x L of CO
2
reacts. The unreacted quantity is 1−x.
Total volume of mixture = unreacted CO
2
+ volume of CO formed.
Total volume of mixture =1−x+2x=1.4 L.
Hence, x=0.4 L.
Thus, volume of CO formed = 2×0.4 L =0.8 L.
Volume of CO
2
left = (1−0.4)L=0.6 L.
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