Question

5 l of an alkane requires 25 l of oxygen for its complete combustion. if all volumes are measured at constant temperature

Answer 1

Dear Friend,

# Complete question would be -

Q. 5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is :

a) ethane

b) propane

c) butane

d) isobutane

● Answer -

(B) Propane

◆ Explanation -

Combustion of propane takes place as follows -

C3H8 + 5O2 --> 3CO2 + 4H2O

Here, 1 L of propane required 5 L of oxygen to completely burn.

Hence, 5 L of propane requires 5×5 = 25 L oxygen for complete combustion.

Hope this helps you.

Answer 2

Answer:

Explanation:

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