Q. 11.39 - An Introduction to General, Organic, and Biological Chemistry

Question

Write the balanced chemical equation for the complete combustion of each of the following hydrocarbons found in gasoline:

a) octane

b) isopentane

c) $3-$ethyltoluene

Step-by-Step Solution

Answer

The balanced chemical equation for the complete combustion of each of the following hydrocarbons found in gasoline: 

a) $C_6{H}_{14}+\frac{19}{2}{O}_2\to 6C{O}_2+7H_{2}O$

b) $C_5{H}_{12}+8O_2\to 6H_{2}O+5C{O}_2$

c)${\mathrm{C}}_9{\mathrm{H}}_{12}( \mathrm{g})+12{\mathrm{O}}_2( \mathrm{g})\to 9{\mathrm{CO}}_2( \mathrm{g})+6{\mathrm{H}}_2\mathrm{O}\left(\mathrm{g}\right)$

Part (a) Step 1: Given information

We have to give the product for complete combustion of  octane .

Part (a) Step 2: Explanation

As we know, that organic compounds contain carbon and hydrogen. The burning reaction between the hydrocarbon and oxygen is called combustion.

For complete combustion, the balanced chemical equation is:

$C_6{H}_{14}+\frac{19}{2}{O}_2\to 6C{O}_2+7H_{2}O$

Part (b) Step 1: Given information

We have to give the product for complete combustion of  isopentane .

Part (b) Step 2: Explanation

As we know, that organic compounds contain carbon and hydrogen. The burning reaction between the hydrocarbon and oxygen is called combustion.

For complete combustion, the balanced chemical equation is:

$C_5{H}_{12}+8O_2\to 6H_{2}O+5C{O}_2$

Part (c) Step 1: Given information

We have to give the product for complete combustion of 3-ethyltoluene.

Part (c) Step 2: Explanation

As we know, that organic compounds contain carbon and hydrogen. The burning reaction between the hydrocarbon and oxygen is called combustion.

For complete combustion, the balanced chemical equation is:

${\mathrm{C}}_9{\mathrm{H}}_{12}( \mathrm{g})+12{\mathrm{O}}_2( \mathrm{g})\to 9{\mathrm{CO}}_2( \mathrm{g})+6{\mathrm{H}}_2\mathrm{O}\left(\mathrm{g}\right)$