Question

In the complete combustion of ethane the number of oxygen molecules required is____. A)2 B)7 C)5/2 D)7/2

Answer 1

Reaction of the process:

2C

2

H

6

+7O

2

→4CO

2

+6H

2

O

We can see in a reaction for the complete combustion of 7 molecules of oxygen is required for 2 moles of ethane.

So for combustion of one molecule of ethane -oxygen is required =7/2