ICSE Class 10 Chemistry 2013 Solved Paper

Solve the following :

Question : 34

Total: 84

What volume of oxygen is required to burn completely 90dm3 of butane under similar conditions of temperature and pressure?
2C4H10+13O2→8CO2+10H2O

Solution:

2C4H10

2‌vols.

13O2

13‌vols.

→8CO2+10H2O
2 Volume of butane =90dm3
1 Volume of butane =45dm3
∴ Volume of O2 required =13×45
=585dm3

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