ICSE Class 10 Chemistry 2013 Solved Paper

Solve the following :

Question : 34 of 84

Marks: +1, -0

What volume of oxygen is required to burn completely

90 {\dm}^3

of butane under similar conditions of temperature and pressure?

2 {\C}_4 {\H}_{10}+13 {\O}_2 → 8 {\CO}_2+10 {\H}_2 {\O}

Solution:

{2 {\C}_4 {\H}_{10}}↙{ 2 \vols.}+{13 {\O}_2 }↙{ 13 \vols.}→ 8 {\CO}_2+10 {\H}_2 {\O}

2 Volume of butane

=90 {\dm}^3

1 Volume of butane

=45 {\dm}^3

∴

Volume of

{\O}_2

required

=13 × 45

=585 {\dm}^3

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